id large_stringlengths 9 16 | title large_stringlengths 1 382 | abstract large_stringlengths 3 6.09k | publish_date date32 | update_date date32 | categories large listlengths 1 13 | authors large_stringlengths 3 62.8k |
|---|---|---|---|---|---|---|
hep-th/9404023 | q-deformed Dirac Monopole With Arbitrary Charge | We construct the deformed Dirac monopole on the quantum sphere for arbitrary
charge using two different methods and show that it is a quantum principal
bundle in the sense of Brzezinski and Majid. We also give a connection and
calculate the analog of its Chern number by integrating the curvature over
$S^2_q$. | 1994-04-05 | 2015-06-26 | [
"hep-th"
] | Chong-Sun Chu, Pei-Ming Ho and Harold Steinacker |
hep-th/9404020 | Renormalization group effects in the conformal sector of 4d quantom
gravity with matter | We discuss the ``gravitationally dressed'' beta functions in the Gross--Neveu
model interacting with 2d Liouville theory and in $SU(N)$ gauge theory
interacting with the conformal sector of 4d quantum gravity. Among the effects
that we suggest may feel the gravitational dressing are the minimum of the
effective potenti... | 1994-04-05 | 2009-09-17 | [
"hep-th"
] | S. Odintsov and R. Percacci |
hep-th/9404017 | Squeezing in a 2-D generalized oscillator | A two-dimensional generalized oscillator with time-dependent parameters is
considered to study the two-mode squeezing phenomena. Specific choices of the
parameters are used to determine the dispersion matrix and analytic
expressions, in terms of standard hermite polynomials, of the wavefunctions and
photon distribution... | 1994-04-05 | 2007-05-23 | [
"hep-th"
] | O. Casta\~nos, R. L\'opez-Pe\~na and V.I. Man'ko |
hep-th/9404022 | Phase Transition in (2+1)d Quantum Gravity | (2+1) dimensional gravity is equivalent to an exactly soluble non-Abelian
Chern-Simons gauge field theory (E Witten 1988). Regarding this as the
topological phase of quantum gravity in (2+1)d, we suggest a topological
symmetry breaking by introducing a mass term for the gauge fields, which
carries a space-time metric a... | 1994-04-05 | 2007-05-23 | [
"hep-th",
"hep-ph"
] | Wei Chen (Univ of North Carolina) |
hep-th/9404021 | A Free Field Representation of the Screening Currents of
$U_q(\widehat{sl(3)}) | We construct five independent screening currents associated with the
$U_q(\widehat{sl(3)})$ quantum current algebra. The screening currents are
expressed as exponentials of the eight basic deformed bosonic fields that are
required in the quantum analogue of the Wakimoto realization of the current
algebra. Four of the s... | 1994-04-05 | 2015-06-26 | [
"hep-th"
] | A.H. Bougourzi and Robert A. Weston |
hep-th/9404015 | Self-Dual Charged Vortices of Finite Energy per Unit Length in $3+1$
Dimensions | We obtain both topological as well as nontopological self-dual charged vortex
solutions of finite energy per unit length in a generalized abelian Higgs model
in $3+1$ dimensions. In this model the Bogomol'nyi bound on the energy per unit
length is obtained as a linear combination of the magnetic flux and the
electric c... | 1994-04-04 | 2007-05-23 | [
"hep-th"
] | Pijush K. Ghosh and Avinash Khare |
hep-th/9404012 | Coulomb Gas Representation of the SU(2) WZW Correlators at Higher Genera | We express the correlation functions of the SU(2) WZW conformal field theory
on Riemann surfaces of genus >1 by finite dimensional integrals. | 1994-04-04 | 2009-10-28 | [
"hep-th"
] | Krzysztof Gawedzki |
hep-th/9404014 | Finite Temperature and Density Effects in Planar Q.E.D | The behavior of finite temperature planar electrodynamics is investigated. We
calculate the static as well as dynamic characteristic functions using real
time formalism. The temperature and density dependence of dielectric and
permeability functions, plasmon frequencies and their relation to the screening
length is det... | 1994-04-04 | 2015-06-26 | [
"hep-th",
"cond-mat"
] | G. Gat and R. Ray |
hep-th/9404016 | Noether's Theorem and time-dependent quantum invariants | The time dependent-integrals of motion, linear in position and momentum
operators, of a quantum system are extracted from Noether's theorem
prescription by means of special time-dependent variations of coordinates. For
the stationary case of the generalized two-dimensional harmonic oscillator, the
time-independent inte... | 1994-04-04 | 2009-10-28 | [
"hep-th"
] | O. Casta\~nos, R. L\'opez-Pe\~na and V.I. Man'ko |
hep-th/9404013 | Algebraic Aspects of Bethe-Ansatz | In these lectures the introduction to algebraic aspects of Bethe Ansatz is
given. The applications to the seminal spin 1/2 XXX model is discussed in
detail and the generalization to higher spin as well as XXZ and lattice
Sine-Gordon model are indicated. The origin of quantum groups and their
appearance in CFT models is... | 1994-04-04 | 2015-06-26 | [
"hep-th"
] | L. D. Faddeev |
hep-th/9403196 | A Geometric Model of Arbitrary Spin Massive Particle | A new model of relativistic massive particle with arbitrary spin
(($m,s$)-particle) is suggested. Configuration space of the model is a product
of Minkowski space and two-dimensional sphere, ${\cal M}^6 = {\Bbb R}^{3,1}
\times S^2$. The system describes Zitterbewegung at the classical level.
Together with explicitly re... | 1994-04-03 | 2017-11-30 | [
"hep-th"
] | S.M. Kuzenko, S.L. Lyakhovich, and A.Yu. Segal (Department of
Theoretical Physics, Tomsk State University, Tomsk, Russia) |
hep-th/9404009 | $N=2$ Topological Yang-Mills Theories and Donaldson's Polynomials | The $N=2$ topological Yang-Mills and holomorphic Yang-Mills theories on
simply connected compact K\"{a}hler surfaces with $p_g\geq 1$ are reexamined.
The $N=2$ symmetry is clarified in terms of a Dolbeault model of the
equivariant cohomology. We realize the non-algebraic part of Donaldson's
polynomial invariants as wel... | 1994-04-03 | 2008-02-03 | [
"hep-th"
] | S. Hyun and J.-S. Park |
hep-th/9404008 | Free Fermion Representation of a Boundary Conformal Field Theory | The theory of a massless two-dimensional scalar field with a periodic
boundary interaction is considered. At a critical value of the period this
system defines a conformal field theory and can be re-expressed in terms of
free fermions, which provide a simple realization of a hidden $SU(2)$ symmetry
of the original theo... | 1994-04-02 | 2009-10-09 | [
"hep-th"
] | J. Polchinski and L. Thorlacius |
hep-th/9404011 | Topological conformal field theory with a rational W potential and the
dispersionless KP hierarchy | We present a new class of topological conformal field theories (TCFT)
characterized by a rational $W$ potential, which includes the minimal models of
A and D types as its subclasses. An explicit form of the $W$ potential is found
by solving the underlying dispersionless KP hierarchy in a particular small
phase space. W... | 1994-04-02 | 2015-06-26 | [
"hep-th"
] | S. Aoyama and Y. Kodama |
hep-th/9404006 | Supersymmetry, Trace Anomaly and Naked Singularities | We discuss stationary supersymmetric bosonic configurations of the
Einstein-Maxwell theory embedded in $N=2$ supergravity. Some of these
configurations, including the Kerr-Newman solutions with $m = |q|$ and
arbitrary angular momentum per unit mass $a$, exhibit naked singularities.
However, $N=2$ supergravity has trace... | 1994-04-02 | 2007-05-23 | [
"hep-th",
"gr-qc"
] | R. Kallosh and T. Ortin |
hep-th/9404007 | The quantum 2-dimensional Poincare group from quantum group contraction | A new derivation of the quantum deformation of the 2 dimensional Euclidean
Poincare group (cf S. Zakrzewski) is proposed. It is based on a contraction of
the Hopf algebra Fun(SO_q(3)). The deformation parameter q is sent to one, as
in the construction of the $\kappa$-Poincare deformed algebra. The quantum
group obtaine... | 1994-04-02 | 2009-10-28 | [
"hep-th",
"math.QA"
] | Philippe Zaugg |
hep-th/9404010 | Some Classical and Quantum Algebras | We discuss the notion of a Batalin-Vilkovisky (BV) algebra and give several
classical examples from differential geometry and Lie theory. We introduce the
notion of a quantum operator algebra (QOA) as a generalization of a classical
operator algebra. In some examples, we view a QOA as a deformation of a
commutative alg... | 1994-04-02 | 2008-02-03 | [
"hep-th",
"math.QA"
] | Bong H. Lian and Gregg J. Zuckerman |
hep-th/9404002 | Massless scalar fields in 1+1 dimensions and Krein spaces | We consider the Krein realization of the Hilbert space for a massless scalar
field in 1+1 dimensions. We find convergence criteria and the completion of the
space of test functions ${\cal S}$ with the topology induced by the Krein
scalar product. Finally, we show that the interpretation for the Fourier
components as pr... | 1994-04-01 | 2012-01-17 | [
"hep-th",
"math-ph",
"math.MP"
] | A. Z. Capri, R. Ferrari, V. Montalbano |
hep-th/9404005 | Unitary matrix integrals in the framework of Generalized Kontsevich
Model. I. Brezin-Gross-Witten Model | We advocate a new approach to the study of unitary matrix models in external
fields which emphasizes their relationship to Generalized Kontsevich Models
(GKM) with non-polynomial potentials. For example, we show that the partition
function of the Brezin-Gross-Witten Model (BGWM), which is defined as an
integral over un... | 1994-04-01 | 2009-10-28 | [
"hep-th"
] | A.Mironov, A.Morozov, G.Semenoff |
hep-th/9404004 | Instanton Induced Large $N$ Phase Transitions in Two and Four
Dimensional QCD | The $1/N$ expansion of the weak coupling phase of two-dimensional QCD on a
sphere is constructed. It is demonstrated that the phase transition from the
weak to the strong coupling phase is induced by instantons. A double scaling
limit of the theory at the point of the phase transition is constructed, the
value of strin... | 1994-04-01 | 2009-10-28 | [
"hep-th"
] | David J. Gross and Andrei Matytsin |
hep-th/9404001 | Multimomentum Hamiltonian Formalism in Quantum Field Theory | The familiar generating functionals in quantum field theory fail to be true
measures and, so they make the sense only in the framework of the perturbation
theory. In our approach, generating functionals are defined strictly as the
Fourier transforms of Gaussian measures in nuclear spaces of multimomentum
canonical vari... | 1994-04-01 | 2009-10-28 | [
"hep-th"
] | G.Sardanashvily (Department of Theoretical Physics, Moscow State
University, Moscow, Russia) |
hep-th/9404003 | Anomalies in N=2 supersymmetric non-linear sigma models on compact
Kahler Ricci-flat target spaces | We analyse with the algebraic, regularisation independent, cohomological
B.R.S. methods, the renormalisability of torsionless N=2 supersymmetric
non-linear sigma models built on Kahler spaces. Surprisingly enough with
respect to the common wisdom, we obtain an anomaly candidate, at least in the
compact Ricci-flat case.... | 1994-04-01 | 2009-10-28 | [
"hep-th"
] | Guy Bonneau |
hep-th/9403193 | Stable and Unstable Circular Strings in Inflationary Universes | It was shown by Garriga and Vilenkin that the circular shape of nucleated
cosmic strings, of zero loop-energy in de Sitter space, is stable in the sense
that the ratio of the mean fluctuation amplitude to the loop radius is
constant. This result can be generalized to all expanding strings (of non-zero
loop-energy) in d... | 1994-03-31 | 2009-10-28 | [
"hep-th"
] | A.L. Larsen |
hep-th/9403194 | Kahler Potentials and Renormalization Group Flows in N=2 Landau-Ginzburg
Models | We examine the conditions for superconformal invariance and the specific form
of the K\"ahler potential for a two-dimensional lagrangian model with $N=2$
supersymmetry and superpotential $gX^k$. Away from the superconformal point we
study the renormalization group flow induced by a particular class of K\"ahler
potentia... | 1994-03-31 | 2009-10-28 | [
"hep-th"
] | M.T. Grisaru and D. Zanon |
hep-th/9403195 | Supersymmetric Yang-Mills Theory On A Four-Manifold | By exploiting standard facts about $N=1$ and $N=2$ supersymmetric Yang-Mills
theory, the Donaldson invariants of four-manifolds that admit a Kahler metric
can be computed. The results are in agreement with available mathematical
computations, and provide a powerful check on the standard claims about
supersymmetric Yang... | 1994-03-31 | 2010-04-07 | [
"hep-th",
"math.AG",
"math.DG"
] | Edward Witten |
hep-th/9403189 | Extensions and contractions of the Lie algebra of q-pseudodifferential
symbols | We construct cocycles on the Lie algebra of pseudo- and q-pseudodifferential
symbols of one variable and on their close relatives: the sine-algebra and the
Poisson algebra on two-torus. A ``quantum'' Godbillon-Vey cocycle on
(pseudo)-differential operators appears in this construction as a natural
generalization of the... | 1994-03-31 | 2008-02-20 | [
"hep-th",
"math.QA"
] | Boris Khesin, Volodymyr Lyubashenko and Claude Roger |
hep-th/9403192 | Exact Models of Extremal Dyonic 4D Black Hole Solutions of Heterotic
String Theory | Families of exact $(0,2)$ supersymmetric conformal field theories of
magnetically and electrically charged extremal 4D black hole solutions of
heterotic string theory are presented. They are constructed using a $(0,1)$
supersymmetric $SL(2,R)\times SU(2)$ WZW model where anomalously embedded
$U(1)\times U(1)$ subgroups... | 1994-03-31 | 2013-11-13 | [
"hep-th"
] | Clifford V Johnson |
hep-th/9403190 | Dispersionless Toda hierarchy and two-dimensional string theory | The dispersionless Toda hierarchy turns out to lie in the heart of a recently
proposed Landau-Ginzburg formulation of two-dimensional string theory at
self-dual compactification radius. The dynamics of massless tachyons with
discrete momenta is shown to be encoded into the structure of a special
solution of this integr... | 1994-03-31 | 2009-10-28 | [
"hep-th"
] | Kanehisa Takasaki |
hep-th/9403197 | Non-Local Matrix Generalizations of W-Algebras | There is a standard way to define two symplectic (hamiltonian) structures,
the first and second Gelfand-Dikii brackets, on the space of ordinary linear
differential operators of order $m$, $L = -d^m + U_1 d^{m-1} + U_2 d^{m-2} +
\ldots + U_m$. In this paper, I consider in detail the case where the $U_k$ are
$n\times n$... | 1994-03-31 | 2009-10-28 | [
"hep-th",
"funct-an",
"math.FA"
] | Adel Bilal |
hep-th/9403191 | Plane Gravitational Waves in String Theory | We analyze the coset model $(E_2^c \ti E_2^c)/E_2^c$ and construct a class of
exact string vacua which describe plane gravitational waves and their duals,
generalizing the plane wave background found by Nappi and Witten. In
particular, the vector gauging describes a two-parameter family of singular
geometries with two ... | 1994-03-31 | 2009-10-28 | [
"hep-th",
"gr-qc"
] | I. Antoniadis and N.A. Obers |
hep-th/9403198 | Exact Superpotentials in Four Dimensions | Supersymmetric gauge theories in four dimensions can display interesting
non-perturbative phenomena. Although the superpotential dynamically generated
by these phenomena can be highly nontrivial, it can often be exactly
determined. We discuss some general techniques for analyzing the Wilsonian
superpotential and demons... | 1994-03-31 | 2009-09-15 | [
"hep-th",
"hep-ph"
] | K. Intriligator, R.G. Leigh and N. Seiberg |
hep-th/9403188 | Batalin-Tyutin Quantization of the (2+1) dimensional nonabelian
Chern-Simons field theory | The (2+1) dimensional nonabelian Chern-Simons theory coupled to complex
scalar fields is quantized by using the Batalin-Tyutin canonical Hamiltonian
method which systematically embeds second-class constraint system into
first-class one. We obtain the gauge-invariant nonabelian Wess-Zumino type
action in the extended ph... | 1994-03-31 | 2009-10-28 | [
"hep-th"
] | Won Tae Kim and Young-Jai Park |
hep-th/9403181 | Towards a Complete Twistorization of the Heterotic String | In $D=3,4,6$ and 10 space--time dimensions considered is a string model
invariant under transformations of $N=1$ space--time supersymmetry and $n=D-2$
local worldsheet supersymmetry with the both Virasoro constraints solved in the
twistor form. The twistor solution survives in a modified form even in the
presence of th... | 1994-03-30 | 2015-06-26 | [
"hep-th"
] | Igor A. Bandos, Martin Cederwall, Dmitrij P. Sorokin and Dmitrij V.
Volkov |
hep-th/9403182 | Poisson--Lie contractions and quantum (1+1) groups | A Poisson--Hopf algebra of smooth functions on the (1+1) Cayley--Klein groups
is constructed by using a classical $r$--matrix which is invariant under
contraction. The quantization of this algebra for the Euclidean, Galilei and
Poincar\'e cases is developed, and their duals are also computed. Contractions
on these quan... | 1994-03-30 | 2016-09-06 | [
"hep-th",
"math.QA"
] | A. Ballesteros, F. J. Herranz, M. A. del Olmo and M. Santander |
hep-th/9403184 | Asymptotic Level State Density for Parabosonic Strings | Making use of some results concerning the theory of partitions, relevant in
number theory, the complete asymptotic behavior, for large $n$, of the level
density of states for a parabosonic string is derived. It is also pointed out
the similarity between parabosonic strings and membranes. | 1994-03-30 | 2009-09-17 | [
"hep-th"
] | A.A. Bytsenko, S. D. Odintsov and S. Zerbini |
hep-th/9403185 | $W$ Strings and Cohomology in Parafermionic Theories | By enforcing locality we relate the cohomology found in parafermionic
theories to that occurring in $W$ strings. This link provides a systematic
method of finding states in the cohomology of $W_{2,s}$ strings. | 1994-03-30 | 2009-10-28 | [
"hep-th"
] | P. West |
hep-th/9403187 | Mirror Symmetry for Two Parameter Models -- II | We describe in detail the space of the two K\"ahler parameters of the
Calabi--Yau manifold $\P_4^{(1,1,1,6,9)}[18]$ by exploiting mirror symmetry.
The large complex structure limit of the mirror, which corresponds to the
classical large radius limit, is found by studying the monodromy of the periods
about the discrimin... | 1994-03-30 | 2010-11-01 | [
"hep-th",
"alg-geom",
"math.AG"
] | Philip Candelas, Anamaria Font, Sheldon Katz and David R. Morrison |
hep-th/9403180 | On the Multilevel Field--Antifield Formalism with the Most General
Lagrangian Hypergauges | The multilevel field-antifield formalism is constructed in a geometrically
covariant way without imposing the unimodularity conditions on the hypergauge
functions. Thus the previously given version [1,2] is extended to cover the
most general case of Lagrangian surface bases. It is shown that the extra
measure factors, ... | 1994-03-30 | 2015-06-26 | [
"hep-th"
] | I.A.Batalin and I.V.Tyutin |
hep-th/9403172 | Multimomentum Hamiltonian Formalism | The standard Hamiltonian machinery, being applied to field theory, leads to
infinite-dimensional phase spaces. It is not covariant. In this article, we
present covariant finite-dimensional multimomentum Hamiltonian formalism for
field theory. This is the multisymplectic generalization of the Hamiltonian
formalism in me... | 1994-03-30 | 2008-02-03 | [
"hep-th"
] | G.Sardanashvily (Department of Theoretical Physics, Moscow State
University, Moscow, Russia) |
hep-th/9403186 | Exact Four-Dimensional Dyonic Black Holes and Bertotti-Robinson
Spacetimes in String Theory | Conformal field theories corresponding to two-dimensional electrically
charged black holes and to two-dimensional anti-de Sitter space with a
covariantly constant electric field are simply constructed as $SL(2,R)/Z$ WZW
coset models. The two-dimensional electrically charged black holes are related
by Kaluza-Klein reduc... | 1994-03-30 | 2009-09-17 | [
"hep-th",
"gr-qc"
] | David A. Lowe and Andrew Strominger |
hep-th/9403183 | On the Landau-Ginzburg Realization of Topological Gravities | We study the equivariant cohomology of a class of multi-field topological LG
models, and find that such systems carry intrinsic information about
$W$-gravity. As a result, we can construct the gravitational chiral ring in
terms of LG polynomials. We find, in particular, that the spectrum of such
theories seems to be ri... | 1994-03-30 | 2011-07-19 | [
"hep-th"
] | W. Lerche and A. Sevrin |
hep-th/9403175 | Toward QCD String: No Folds | We propose a string theory model which explains several features of two
dimensional YM theory. Folds are suppressed. This in turn leads to the empty
theory in flat target spaces. The Nambu-Goto action appears in the usual way.
The model naturally splits into two (chiral) sectors: orientation preserving
maps and orienta... | 1994-03-29 | 2009-10-28 | [
"hep-th"
] | Jacek Pawe{\l}czyk |
hep-th/9403173 | Nonabelian Bosonization as Duality | Applying the techniques of nonabelian duality to a system of Majorana
fermions in 1+1 dimensions we obtain the level-one Wess-Zumino-Witten model as
the dual theory. This makes nonabelian bosonization a particular case of a
nonabelian duality transformation, generalizing our previous result
(hep-th/9401105) for the abe... | 1994-03-29 | 2009-10-28 | [
"hep-th",
"cond-mat",
"hep-ph"
] | C.P. Burgess and F. Quevedo |
hep-th/9403177 | A note on chiral fermions and heterotic strings | An off-shell manifestly (8,0) worldsheet supersymmetric formulation of a
multiplet describing physical chiral fermions is given. The multiplet can be
used to complete the doubly supersymmetric (twistor-like) action for the
heterotic string. Correction of technical errors. | 1994-03-29 | 2009-10-28 | [
"hep-th"
] | P.S. Howe |
hep-th/9403179 | String--Kaluza--Klein Cosmology | We generalize a five dimensional black hole solution of low energy effective
string theory to arbitrary constant spatial curvature. After interchanging the
signature of time and radius we reduce the 5d solution to four dimensions and
obtain that way a four dimensional isotropic cosmological space time. The
solution con... | 1994-03-29 | 2011-08-17 | [
"hep-th",
"gr-qc"
] | K. Behrndt, S. Foerste |
hep-th/9403178 | Elliptic Dunkl operators, root systems, and functional equations | We consider generalizations of Dunkl's differential-difference operators
associated with groups generated by reflections. The commutativity condition is
equivalent to certain functional equations. These equations are solved in many
cases. In particular, solutions associated with elliptic curves are
constructed. In the ... | 1994-03-29 | 2008-02-03 | [
"hep-th",
"math.QA"
] | V. M. Buchstaber, Giovanni Felder, A. V. Veselov |
hep-th/9403174 | Solitonic photons and intermediate vector bosons | A four-dimensional topological field theory is introduced which generalises
$B\wedge F$ theory to give a Bogomol'nyi structure. A class of non-singular,
finite-Action, stable solutions to the variational field equations is
identified. The solitonic solutions are analogous to the instanton in
Yang-Mills theory. The solu... | 1994-03-29 | 2008-02-03 | [
"hep-th",
"hep-ph"
] | M. Temple-Raston |
hep-th/9403176 | A Field Theory Approach to the $t$-$J$ Model and the Spin-Charge
Separation | We analyze the $t$-$J$ model using the ${\rm CP}^1$ representation for the
slave operators (holons and spinons) which is particularly suited to study the
phenomenon of the spin-charge separation in strongly correlated electron
systems. In particular, we show that for the one-dimensional $t$-$J$ model
below half-filling... | 1994-03-29 | 2009-10-28 | [
"hep-th",
"cond-mat"
] | Alberto Lerda |
hep-th/9403168 | On the affine analogue of Jack's and Macdonald's polynomials | We define the analogue of Jack's (Jacobi) polynomials, which were defined for
finite-dimensional root system by Heckman and Opdam as eigenfunctions of
trigonometric Sutherland operator for the affine root system $\hat A_{n-1}$. In
the affine case, we define the polynomials as eigenfunctions of "affine
Sutherland operat... | 1994-03-28 | 2008-02-03 | [
"hep-th",
"math.QA"
] | Pavel Etingof (Harvard), Alexander Kirillov Jr. (Yale) |
hep-th/9403171 | Quantum and Thermal Fluctuations in Field Theory | Blocking transformation is performed in quantum field theory at finite
temperature. It is found that the manner temperature deforms the renormalized
trajectories can be used to understand better the role played by the quantum
fluctuations. In particular, it is conjectured that domain formation and mass
parameter genera... | 1994-03-28 | 2009-10-28 | [
"hep-th"
] | Sen-Ben Liao, Janos Polonyi and Dapeng Xu |
hep-th/9403169 | Classical Electrodynamics with Dual Potentials | We present Dirac's method for using dual potentials to solve classical
electrodynamics for an oppositely charged pair of particles, with a view to
extending these techniques to non-Abelian gauge theories. | 1994-03-28 | 2009-09-25 | [
"hep-th"
] | M. Baker, James S. Ball, F. Zachariasen |
hep-th/9403165 | Notes on Oscillator-Like Interactions of Various Spin Relativistic
Particles | The equations for various spin particles with oscillator-like interactions
are discussed in this talk. Contents: 1. Comment on "The Klein-Gordon
Oscillator"; 2. The Dirac oscillator in quaternion form; 3. The Dirac-Dowker
oscillator; 4. The Weinberg oscillator; 5. Note on the two-body Dirac
oscillator. | 1994-03-28 | 2008-02-03 | [
"hep-th",
"hep-ph"
] | Valeri V. Dvoeglazov and Antonio del Sol Mesa |
hep-th/9403167 | Quantization of Maxwell-Chern-Simons-Podolsky Theory | We quantize a generalized electromagnetism in 2 + 1 dimensions which contains
a higher-order derivative term by using Dirac's method. By introducing
auxiliary fields we transform the original theory in a lower-order derivative
one which can be treated in a usual way. | 1994-03-28 | 2007-05-23 | [
"hep-th"
] | A. de Souza Dutra and Marcelo Hott |
hep-th/9403166 | Explicit thermostatics of certain classical one-dimensional lattice
models by harmonic analysis | A certain class of one-dimensional classical lattice models is considered.
Using the method of abstract harmonic analysis explicit thermostatic properties
of such models are derived. In particular, we discuss the low-temperature
behavior of some of these models. | 1994-03-28 | 2007-05-23 | [
"hep-th",
"cond-mat"
] | Georg Junker |
hep-th/9403170 | Models of Quantum Space Time: Quantum Field Planes | Quantum field planes furnish a noncommutative differential algebra $\Omega$
which substitutes for the commutative algebra of functions and forms on a
contractible manifold. The data required in their construction come from a
quantum field theory. The basic idea is to replace the ground field ${\bf C}$
of quantum planes... | 1994-03-28 | 2007-05-23 | [
"hep-th"
] | G. Mack, V. Schomerus |
hep-th/9403164 | Two loop results from one loop computations and non perturbative
solutions of exact evolution equations | A nonperturbative method is proposed for the approximative solution of the
exact evolution equation which describes the scale dependence of the effective
average action. It consists of a combination of exact evolution equations for
independent couplings with renormalization group improved one loop expressions
of second... | 1994-03-27 | 2009-10-28 | [
"hep-th"
] | T.Papenbrock and C.Wetterich |
hep-th/9403162 | Finite Dimensional Representations of Quantum Affine Algebras | We give a general construction for finite dimensional representations of
$U_q(\hat{\G})$ where $\hat{\G}$ is a non-twisted affine Kac-Moody algebra with
no derivation and zero central charge. At $q=1$ this is trivial because
$U(\hat{\G})=U({\G})\otimes \C(x,x^{-1})$ with $\G$ a finite dimensional Lie
algebra. But this ... | 1994-03-26 | 2009-10-28 | [
"hep-th",
"math.QA"
] | Gustav W. Delius and Yao-Zhong Zhang |
hep-th/9403161 | Cosmic String Nucleation near the Inflationary Phase Boundary | We investigate the nucleation of circular cosmic strings in models of
generalized inflationary universes with an accelerating scale factor. We
consider toy cosmological models of a smooth inflationary exit and transition
into a flat Minkowski spacetime. Our results establish that an inflationary
expanding phase is nece... | 1994-03-26 | 2011-05-23 | [
"hep-th"
] | Minos Axenides and Arne L. Larsen |
hep-th/9403163 | Fusion in the W_3 algebra | We develop the notions of fusion for representations of the W_3 algebra along
the lines of Feigin and Fuchs. We present some explicit calculations for a W_3
minimal model. | 1994-03-26 | 2022-12-13 | [
"hep-th"
] | G.M.T. Watts |
hep-th/9403160 | Addendum to "Classical and Quantum Evolutions of the de Sitter and the
anti-de Sitter Universes in 2+1 dimensions" | The previous discussion \cite{ezawa} on reducing the phase space of the first
order Einstein gravity in 2+1 dimensions is reconsidered. We construct a \lq\lq
correct" physical phase space in the case of positive cosmological constant,
taking into account the geometrical feature of SO(3,1) connections. A
parametrization... | 1994-03-26 | 2014-11-18 | [
"hep-th"
] | K. Ezawa |
hep-th/9403159 | Spectra of RSOS Soliton Theories | We study here the spectrum of soliton scattering theories based on
interaction round the face lattice models. We take for the admissibility
condition the fusion rules of each of the simple Lie algebras. It is found that
the mass spectrum is given by that of the corresponding Toda theory, or, that
the mass ratios of the... | 1994-03-25 | 2007-05-23 | [
"hep-th"
] | Doron Gepner |
hep-th/9403155 | On Non-Abelian Duality | A general study of non-abelian duality is presented. We first identify a
possible obstruction to the conformal invariance of the dual theory for
non-semisimple groups. We construct the exact non-abelian dual for any
Wess-Zumino-Witten (WZW) model for any anomaly free subgroup, and the
corresponding extension for coset ... | 1994-03-25 | 2009-10-28 | [
"hep-th"
] | Enrique \'Alvarez, Luis \'Alvarez-Gaum\'e and Yolanda Lozano |
hep-th/9403154 | Interrelations between Quantum Groups and Reflection Equation (Braided)
Algebras | We show that the differential complex $\Omega_{B}$ over the braided matrix
algebra $BM_{q}(N)$ represents a covariant comodule with respect to the
coaction of the Hopf algebra $\Omega_{A}$ which is a differential extension of
$GL_{q}(N)$. On the other hand, the algebra $\Omega_{A}$ is a covariant braided
comodule with ... | 1994-03-25 | 2011-07-08 | [
"hep-th",
"alg-geom",
"math.QA"
] | A. P. Isaev |
hep-th/9403156 | Reply to Hagen & Sudarshan's Comment | We show that the argument in Phys Rev Lett 70 (1993) 1360 is correct and
consistent, and that Hagen & Sudarshan's solution has inconsistency leading to
non-vanishing commutators of $[P^1, P^2]$ and $[P^j, H]$ even in physical
states. This proves that many of HS's statements in their Comment are based
merely on incorrec... | 1994-03-25 | 2009-10-28 | [
"hep-th"
] | C.L. Ho and Y. Hosotani |
hep-th/9403158 | Worldline Green Functions for Multiloop Diagrams | We propose a multiloop generalization of the Bern-Kosower formalism, based on
Strassler's approach of evaluating worldline path integrals by worldline Green
functions. Those Green functions are explicitly constructed for the basic
two-loop graph, and for a loop with an arbitrary number of propagator
insertions. For sca... | 1994-03-25 | 2009-10-28 | [
"hep-th",
"hep-ph"
] | M. G. Schmidt and C. Schubert |
hep-th/9403153 | q$-Deformed Chern Class, Chern-Simons and Cocycle Hierarchy | In this paper, from the $q$-gauge covariant condition we define the
$q$-deformed Killing form and the second $q$-deformed Chern class for the
quantum group $SU_{q}(2)$. Developing Zumino's method we introduce a
$q$-deformed homotopy operator to compute the $q$-deformed Chern-Simons and the
$q$-deformed cocycle hierarch... | 1994-03-25 | 2009-10-28 | [
"hep-th"
] | Bo-Yu Hou (Institute of Modern Physics, Northwest University, Xi'an,
P. R. China), Bo-Yuan Hou (Graduate School, Chinese Academy of Sciences,
Beijing, P. R. China), and Zhong-Qi Ma (Institute of High Energy Physics,
Beijing, P. R. of China) |
hep-th/9403157 | Representation theory of a W-algebra from generalised DS reduction | We investigate the W-algebra resulting from Drinfel'd-Sokolov reduction of a
$B_2$ WZW model with respect to the grading induced by a short root. The
quantum algebra, which is generated by three fields of spin-2 and a field of
spin-1, is explicitly constructed. A `free field' realisation of the algebra in
terms of the ... | 1994-03-25 | 2007-05-23 | [
"hep-th"
] | P.Bowcock |
hep-th/9403148 | Infinite Dimensional Geometry and Quantum Field Theory of Strings. II.
Infinite Dimensional Noncommutative Geometry of a Self-Interacting String
Field | A geometric interpretation of quantum self-interacting string field theory is
given. Relations between various approaches to the second quantization of an
interacting string are described in terms of the geometric quantization. An
algorithm to construct a quantum nonperturbative interacting string field
theory in the q... | 1994-03-24 | 2008-02-03 | [
"hep-th",
"alg-geom",
"funct-an",
"math.AG",
"math.FA"
] | D.Juriev (D.V.Yur'ev) |
hep-th/9403151 | Mirror Transform and String Theory | Some aspects of Mirror symmetry are reviewed, with an emphasis on more recent
results extending mirror transform to higher genus Riemann surfaces and its
relation to the Kodaira-Spencer theory of gravity (talk given in the Geometry
and Topology Conference, April 93, Harvard, in honor of Raoul Bott) | 1994-03-24 | 2007-05-23 | [
"hep-th"
] | Cumrun Vafa |
hep-th/9403150 | A Hierarchy of Superstrings | We construct a hierarchy of supersymmetric string theories by showing that
the general N-extended superstrings may be viewed as a special class of the
(N+1)-extended superstrings. As a side result, we find a twisted (N+2)
superconformal algebra realized in the N-extended string. | 1994-03-24 | 2009-10-28 | [
"hep-th"
] | Fiorenzo Bastianelli, Nobuyoshi Ohta and Jens Lyng Petersen |
hep-th/9403149 | Quantum Integrals of Motion for the Heisenberg Spin Chain | An explicit expression for all the quantum integrals of motion for the
isotropic Heisenberg $s=1/2$ spin chain is presented.
The conserved quantities are expressed in terms of a sum over simple
polynomials in spin variables. This construction is direct and independent of
the transfer matrix formalism. Continuum limit... | 1994-03-24 | 2015-06-26 | [
"hep-th",
"cond-mat"
] | Marek P. Grabowski and Pierre Mathieu |
hep-th/9403147 | Perturbative and Non-Perturbative Quarks and Gluons | BRST invariance supplies a sufficient condition for the observability of
fields. We show that there is a global obstruction to the observability of
quarks and gluons and argue that they will not become observables at finite
temperature. We give expressions for quarks and gluons that are, however, {\it
perturbatively\/}... | 1994-03-24 | 2009-10-28 | [
"hep-th",
"hep-ph"
] | Martin Lavelle and David McMullan |
hep-th/9403152 | Negative Flows of the KP-Hierarchy | We construct a Grassmannian-like formulation for the potential KP-hierarchy
including additional ``negative'' flows. Our approach will generalize the
notion of a tau-function to include negative flows. We compare the resulting
hierarchy with results by Hirota, Satsuma and Bogoyavlenskii. | 1994-03-24 | 2007-05-23 | [
"hep-th"
] | G. Haak |
hep-th/9403139 | Moving Mirror Model of Hawking Evaporation | The moving mirror model is designed to extract essential features of the
black hole formation and the subsequent Hawking radiation by neglecting
complication due to a finite curvature. We extend this approach to dynamically
treat back reaction against the mirror motion due to Hawking radiation. It is
found that a uniqu... | 1994-03-23 | 2017-02-01 | [
"hep-th",
"gr-qc"
] | M.Hotta, M.Shino, and M.Yoshimura |
hep-th/9403138 | An operator approach to BRST invariant transition amplitudes | The transition amplitudes for the free spinless and spinning relativistic
particles are obtained by applying an operator method developed long ago by
Dirac and Schwinger to the BFV form of the BRST theory for constrained systems. | 1994-03-23 | 2009-10-28 | [
"hep-th"
] | Silvio J. Rabello and Arvind N. Vaidya |
hep-th/9403144 | Randomizing the Superstring | We find a simpler formulation of the Green-Schwarz action, for which the
Wess-Zumino term is the square of supersymmetric currents, like the rest of the
action. On a random lattice it gives Feynman diagrams of a particle superfield
theory. | 1994-03-23 | 2009-10-28 | [
"hep-th"
] | W. Siegel |
hep-th/9403141 | Two and three-point functions in Liouville theory | Based on our generalization of the Goulian-Li continuation in the power of
the 2D cosmological term we construct the two and three-point correlation
functions for Liouville exponentials with generic real coefficients. As a
strong argument in favour of the procedure we prove the Liouville equation of
motion on the level... | 1994-03-23 | 2009-10-28 | [
"hep-th"
] | H. Dorn and H.-J. Otto |
hep-th/9403142 | Triangular dissections, aperiodic tilings and Jones algebras | The Brattelli diagram associated with a given bicolored Dynkin-Coxeter graph
of type $A_n$ determines planar fractal sets obtained by infinite dissections
of a given triangle. All triangles appearing in the dissection process have
angles that are multiples of $\pi/ (n+1).$ There are usually several possible
infinite di... | 1994-03-23 | 2008-02-03 | [
"hep-th",
"funct-an",
"math.MG",
"math.QA"
] | R. Coquereaux |
hep-th/9403146 | Hamiltonian Analysis of the Effective Action for Hard Thermal Loops in
QCD | The effective action for hard thermal loops in QCD is related to a gauged
WZNW theory. Some of the technical issues of this approach are clarified and
the Hamiltonian formulation is presented. The two-point correlation function
for the induced current in QCD is obtained; some simplifications of the
dynamics of the long... | 1994-03-23 | 2009-10-28 | [
"hep-th",
"hep-ph"
] | V.P.Nair |
hep-th/9403140 | Isomorphisms between Quantum Group Covariant q-Oscillator Systems
Defined for q and 1/q | It is shown that there exists an isomorphism between q-oscillator systems
covariant under $ SU_q(n) $ and $ SU_{q^{-1}}(n) $. By the isomorphism, the
defining relations of $ SU_{q^{-1}}(n) $ covariant q-oscillator system are
transmuted into those of $ SU_q(n) $. It is also shown that the similar
isomorphism exists for ... | 1994-03-23 | 2009-10-28 | [
"hep-th"
] | N. Aizawa |
hep-th/9403143 | The Batalin-Vilkovisky Lagrangian quantisation scheme, with applications
to the study of anomalies in gauge theories | Only the first 15 percent of the file survived the censor that is hidden in
the network resources in a previous attempt to submit this thesis to the
bulletin board. Hopefully this makes an uncorrupted file available. | 1994-03-23 | 2008-02-03 | [
"hep-th"
] | Frank De Jonghe |
hep-th/9403145 | Hard Thermal Loops, Chern-Simons Theory and the Quark-Gluon Plasma | The generating functional for hard thermal loops in QCD is important in
setting up a resummed perturbation theory. I review how this functional is
related to the eikonal for a Chern-Simons theory, and using an auxiliary field,
to the gauged WZNW-action. The induced current due to hard thermal loops,
properly incorporat... | 1994-03-23 | 2007-05-23 | [
"hep-th",
"hep-ph"
] | V.P.Nair |
hep-th/9403128 | Z Flux-Line Lattices and Self-Dual Equations in the Standard Model | We derive gauge covariant self-dual equations for the $SU(2) \times U(1)_Y$
theory of electro-weak interactions and show that they admit solutions
describing a periodic lattice of Z-strings.} \newpage | 1994-03-22 | 2009-12-30 | [
"hep-th",
"hep-ph"
] | G.Bimonte and G.Lozano |
hep-th/9403136 | Elliptic quantum many-body problem and double affine
Knizhnik-Zamolodchikov equation | The elliptic-matrix quantum Olshanetsky-Perelomov problem is introduced for
arbitrary root systems by means of an elliptic generalization of the Dunkl
operators. Its equivalence with the double affine generalization of the
Knizhnik-Zamolodchikov equation (in the induced representations) is
established. | 1994-03-22 | 2009-10-28 | [
"hep-th",
"math.QA"
] | Ivan Cherednik |
hep-th/9403132 | Renormalization-Group Improved Effective Potential for Finite Grand
Unified Theories in Curved Spacetime | The renormalization-group improved effective potential ---to leading-log and
in the linear curvature approximation--- is constructed for ``finite'' theories
in curved spacetime. It is not trivial and displays a quite interesting,
exponential-like structure ---in contrast with the case of flat spacetime where
it coincid... | 1994-03-22 | 2009-09-17 | [
"hep-th"
] | E. Elizalde and S.D. Odintsov |
hep-th/9403135 | Algebraic integrability of Schr\"odinger operators and representations
of Lie algebras | In this paper we study integrability and algebraic integrability properties
of certain matrix Schr\"odinger operators. More specifically, we associate such
an operator (with rational, trigonometric, or elliptic coefficients) to every
simple Lie algebra g and every representation U of this algebra with a nonzero
but fin... | 1994-03-22 | 2008-02-03 | [
"hep-th",
"math.QA"
] | Pavel Etingof and Kostantin Styrkas |
hep-th/9403130 | Baxterization, dynamical systems, and the symmetries of integrability | We resolve the `baxterization' problem with the help of the automorphism
group of the Yang-Baxter (resp. star-triangle, tetrahedron, \dots) equations.
This infinite group of symmetries is realized as a non-linear (birational)
Coxeter group acting on matrices, and exists as such, {\em beyond the narrow
context of strict... | 1994-03-22 | 2009-10-28 | [
"hep-th",
"alg-geom",
"chao-dyn",
"math.AG",
"nlin.CD",
"nlin.SI",
"solv-int"
] | C. Viallet |
hep-th/9403131 | Quantum Cosmology with Yang-Mills Fields | We examine an extension of the ideas of quantum cosmology and, in particular,
the proposal of Hartle and Hawking for the boundary conditions of the Universe,
to models which incorporate Yang-Mills fields. Inhomogeneous perturbations
about a homogeneous, isotropic minisuperspace background model are considered,
by expan... | 1994-03-22 | 2010-11-01 | [
"hep-th",
"gr-qc"
] | D. Kapetanakis, G. Koutsoumbas, A. Lukas and P. Mayr |
hep-th/9403127 | Low energy dynamics of U(1)^{N} Chern-Simons solitons | We apply the adiabatic approximation to investigate the low energy dynamics
of vortices in the parity invariant double self-dual Higgs model with only
mutual Chern-Simons interaction. When distances between solitons are large they
are particles subject to the mutual interaction. The dual formulation of the
model is der... | 1994-03-22 | 2009-10-28 | [
"hep-th"
] | Jacek Dziarmaga |
hep-th/9403133 | A Non-Critical String Approach to Black Holes, Time and Quantum Dynamics | We review our approach to time and quantum dynamics based on non-critical
string theory, developing its relationship to previous work on non-equilibrium
quantum statistical mechanics and the microscopic arrow of time. We exhibit
specific non-factorizing contributions to the ${\nd S}$ matrix associated with
topological ... | 1994-03-22 | 2008-02-03 | [
"hep-th",
"astro-ph",
"cond-mat",
"gr-qc",
"hep-ph"
] | J. Ellis, N.E. Mavromatos, D.V. Nanopoulos |
hep-th/9403134 | General solutions of the Monge-Amp\`{e}re equation in $n$-dimensional
space | It is shown that the general solution of a homogeneous Monge-Amp\`{e}re
equation in $n$-dimensional space is closely connected with the exactly (but
only implicitly) integrable system
\frac {\partial \xi_{j}}{\partial x_0}+\sum_{k=1}^{n-1} \xi_{k} \frac
{\partial \xi_{j}}{\partial x_{k}}=0 \label{1}
Using the expli... | 1994-03-22 | 2016-09-06 | [
"hep-th",
"math.AP",
"nlin.SI",
"solv-int"
] | D. B. Fairlie and A. N. Leznov |
hep-th/9403129 | Non-Perturbative Approach to 2D-Supergravity and Super-Virasoro
Constraints | The coupling of $N=1$ SCFT of type $(4m,2)$ to two-dimensional supergravity
can be formulated non-perturbatively in terms of a discrete super-eigenvalue
model proposed by Alvarez-Gaum\'e, et al. We derive the superloop equations
that describe, in the double scaling limit, the non-perturbative solution of
this model. Th... | 1994-03-22 | 2007-05-23 | [
"hep-th"
] | Melanie Becker |
hep-th/9403137 | Black hole thermodynamics and information loss in two dimensions | Black hole evaporation is investigated in a (1+1)-dimensional model of
quantum gravity. Quantum corrections to the black hole entropy are computed,
and the fine-grained entropy of the Hawking radiation is studied. A generalized
second law of thermodynamics is formulated, and shown to be valid under
suitable conditions.... | 1994-03-22 | 2009-09-25 | [
"hep-th",
"gr-qc"
] | Thomas M. Fiola, John Preskill, Andrew Strominger, and Sandip P.
Trivedi |
hep-th/9403125 | Fermions Coupled to a Conformal Boundary: A Generalization of the
Monopole-Fermion System | We study a class of models in which $N$ flavors of massless fermions on the
half line are coupled by an arbitrary orthogonal matrix to $N$ rotors living on
the boundary. Integrating out the rotors, we find the exact partition function
and Green's functions. We demonstrate that the coupling matrix must satisfy a
certain... | 1994-03-21 | 2009-10-28 | [
"hep-th"
] | Ali Yegulalp |
hep-th/9403123 | Resolution of Orbifold Singularities in String Theory | In this paper the relationship between the classical description of the
resolution of quotient singularities and the string picture is reviewed in the
context of N=(2,2) superconformal field theories. A method for the analysis of
quotients locally of the form C^d/G where G is abelian is presented. Methods
derived from ... | 1994-03-21 | 2008-02-03 | [
"hep-th"
] | P. Aspinwall |
hep-th/9403120 | Travelling waves in multivortex configurations | We investigate zero modes of a multivortex background which are due to the
energetic degeneracy of the planar static n-vortex solution in Bogomol'nyi
limit of the Abelian Higgs model parametrised by a set of 2n real parameters.
The zero modes take the form of waves travelling with a speed of light
independently along e... | 1994-03-21 | 2009-10-28 | [
"hep-th"
] | Jacek Dziarmaga |
hep-th/9403122 | Recent Developments in D=2 String Field Theory | In this review article, we review the recent developments in constructing
string field theories that have been proposed, all of which correctly reproduce
the correlation functions of two-dimensional string theory. These include: (a)
free fermion field theory (b) collective string field theory (c) temporal gauge
string ... | 1994-03-21 | 2015-06-26 | [
"hep-th"
] | Michio Kaku |
hep-th/9403118 | Local solutions of harmonical and bi-harmonical equations, Universal
Field Equation and self-dual configurations of Yang--Mills fields in four
dimensions | A general method for the construction of solutions of the d'Alambertian and
double d'Alambertian (harmonic and bi-harmonic) equations with local dependence
of arbitrary functions upon two independent arguments is proposed. The
connection between solutions of this kind and self-dual configurations of gauge
fields having... | 1994-03-21 | 2007-05-23 | [
"hep-th"
] | A. N. Leznov |
hep-th/9403121 | Dirac Quantization Gravity-Yang-Mills Systems in 1+1 Dimensions | In two dimensions a large class of gravitational systems including, e.g.,
$R^2$-gravity can be quantized exactly also when coupled dynamically to a
Yang-Mills theory. Some previous considerations on the quantization of pure
gravity theories are improved and generalized. | 1994-03-21 | 2011-09-09 | [
"hep-th"
] | T. Strobl |
hep-th/9403124 | Singular Vectors of the $N=2$ Superconformal Algebra | We derive a set of recursion formulae to construct singular vectors for the
$N=2$ (untwisted) algebra, by using the approach of Bauer, di Francesco,
Itzykson and Zuber. Applying these formulae, we obtain explicit expressions for
the charged singular vectors and for a class of uncharged singular vectors. | 1994-03-21 | 2009-10-28 | [
"hep-th"
] | Matthias Doerrzapf |
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