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/9410238 | Basic structures of the covariant canonical formalism for fields based
on the De Donder--Weyl theory | We discuss a field theoretical extension of the basic structures of classical
analytical mechanics within the framework of the De Donder--Weyl (DW) covariant
Hamiltonian formulation. The analogue of the symplectic form is argued to be
the {\em polysymplectic} form of degree $(n+1)$, where $n$ is the dimension of
space-... | 1994-10-31 | 2007-05-23 | [
"hep-th"
] | Igor V. Kanatchikov |
hep-th/9410233 | $c_M<1$ String Theory as a Constrained Topological Sigma Model | It has been argued by Ishikawa and Kato that by making use of a specific
bosonization, $c_M=1$ string theory can be regarded as a constrained
topological sigma model. We generalize their construction for any $(p,q)$
minimal model coupled to two dimensional (2d) gravity and show that the
energy--momentum tensor and the ... | 1994-10-31 | 2011-07-19 | [
"hep-th"
] | Pablo M. Llatas and Shibaji Roy |
hep-th/9410239 | Auxiliary Fields for Super Yang-Mills from Division Algebras | Division algebras are used to explain the existence and symmetries of various
sets of auxiliary fields for super Yang-Mills in dimensions $d=3,4,6,10$.
(Contribution to G\"ursey Memorial Conference I: Strings and Symmetries) | 1994-10-31 | 2015-06-26 | [
"hep-th"
] | Jonathan M. Evans |
hep-th/9410230 | Duality Versus Supersymmetry and Compactification | We study the interplay between T-duality, compactification and supersymmetry.
We prove that when the original configuration has unbroken space-time
supersymmetries, the dual configuration also does if a special condition is
met: the Killing spinors of the original configuration have to be independent
on the coordinate ... | 1994-10-30 | 2016-08-14 | [
"hep-th"
] | E. Bergshoeff, R. Kallosh and T. Ort\'in |
hep-th/9410227 | Distance Formula for Grassmann Manifold --Applied to Anandan--Aharonov
Type Uncertainty Relation-- | The time-energy uncertainty relation of Anandan-Aharonov is generalized to a
relation involving a set of quantum state vectors. This is achieved by
obtaining an explicit formula for the distance between two finitely separated
points in the Grassmann manifold. | 1994-10-29 | 2010-11-01 | [
"hep-th"
] | Minoru Hirayama, Takeshi Hamada and Jin Chen |
hep-th/9410229 | Electrically and Magnetically Charged States and Particles in the
2+1-Dimensional Z_N-Higgs Gauge Model | Electrically as well as magnetically charged states are constructed in the
2+1-dimensional Euclidean Z_N-Higgs lattice gauge model, the former following
ideas of Fredenhagen and Marcu and the latter using duality transformations on
the algebra of observables. The existence of electrically and of magnetically
charged pa... | 1994-10-29 | 2015-06-26 | [
"hep-th"
] | Joao C A Barata and Florian Nill (Freie Univ. Berlin) |
hep-th/9410228 | Integrable many-body problems from the field theories | We review recent results which clarify the role of the integrable many-body
problems in the quantum field theory framework.They describe the dynamics of
the topological degrees of freedom in the theories which are obtained by
perturbing the topological ones by the proper Hamiltonians and sources.
Interpretation of the ... | 1994-10-29 | 2014-11-18 | [
"hep-th"
] | Alexander Gorsky |
hep-th/9410217 | Integrable Systems in Stringy Gravity | Static axisymmetric Einstein-Maxwell-Dilaton and stationary axisymmetric
Einstein-Maxwell-Dilaton-Axion (EMDA) theories in four space-time dimensions
are shown to be integrable by means of the inverse scattering transform method.
The proof is based on the coset-space representation of the 4-dim theory in a
space-time a... | 1994-10-28 | 2010-11-01 | [
"hep-th"
] | D.V. Gal'tsov |
hep-th/9410224 | A BRST charge for non-critical $\W_{2,s}$ strings | We present a general argument for the construction of BRST charges of the
`non-critical' $\W_{2,4}$, $\W_{2,5}$, $\W_{2,6}$, and $\W_{2,8}$ strings. This
evidences the existence of BRST charges for a kind of soft-type algebras which
can be constructed from two copies of quantum $\W_{2,s}$ algebras,
(s=3,4,5,6,8). | 1994-10-28 | 2009-10-28 | [
"hep-th"
] | L. Palacios |
hep-th/9410222 | String Theory and ALE Instantons | We show that the classical equations of motion of the low-energy effective
field theory describing the massless modes of the heterotic (or type I) string
admit two classes of supersymmetric self--dual backgrounds. The first class,
which was already considered in the literature, consists of solutions with a
(conformally... | 1994-10-28 | 2007-05-23 | [
"hep-th"
] | M.Bianchi, F.Fucito, G.C.Rossi and M.Martellini |
hep-th/9410215 | Strings Near a Rindler Or Black Hole Horizon | Orbifold techniques are used to study bosonic, type II and heterotic strings
in Rindler space at integer multiples N of the Rindler temperature, and near a
black hole horizon at integer multiples of the Hawking temperature, extending
earlier results of Dabholkar. It is argued that a Hagedorn transition occurs
nears the... | 1994-10-28 | 2009-09-17 | [
"hep-th"
] | David A. Lowe and Andrew Strominger |
hep-th/9410216 | 4D Edge Currents from 5D Chern-Simons Theory | A class of two dimensional conformal field theories is known to correspond to
three dimensional Chern-Simons theory. Here we claim that there is an analogous
class of four dimensional field theories corresponding to five dimensional
Chern-Simons theory. The four dimensional theories give a coupling between a
scalar fie... | 1994-10-28 | 2009-10-28 | [
"hep-th"
] | K.S.Gupta and A.Stern |
hep-th/9410220 | Finite-Difference Equations in Relativistic Quantum Mechanics | Relativistic Quantum Mechanics suffers from structural problems which are
traced back to the lack of a position operator $\hat{x}$, satisfying
$[\hat{x},\hat{p}]=i\hbar\hat{1}$ with the ordinary momentum operator
$\hat{p}$, in the basic symmetry group -- the Poincar\'e group. In this paper
we provide a finite-dimension... | 1994-10-28 | 2009-10-28 | [
"hep-th"
] | V. Aldaya and J. Guerrero |
hep-th/9410226 | The Bosonic String Measure at Two and Three Loops and Symplectic
Transformations of the Volume Form | Symplectic modular invariance of the bosonic string partition function has
been verified at genus 2 and 3 using the period matrix coordinatization of
moduli space. A calculation of the transformation of the holomorphic part of
the differential volume element shows that an extra phase arises together with
the factor ass... | 1994-10-28 | 2009-10-28 | [
"hep-th"
] | Simon Davis |
hep-th/9410223 | Higher covariant derivative Pauli-Villars regularization does not lead
to a consistent QCD | We compute the beta function at one loop for Yang-Mills theory using as
regulator the combination of higher covariant derivatives and Pauli-Villars
determinants proposed by Faddeev and Slavnov. This regularization prescription
has the appealing feature that it is manifestly gauge invariant and essentially
four-dimensio... | 1994-10-28 | 2009-10-28 | [
"hep-th",
"hep-ph"
] | C.P. Martin and F. Ruiz Ruiz |
hep-th/9410218 | Continuous Symmetries of Lattice Conformal Field Theories and their
$Z_2$-Orbifolds | Following on from a general observation in an earlier paper, we consider the
continuous symmetries of a certain class of conformal field theories
constructed from lattices and their reflection-twisted orbifolds. It is shown
that the naive expectation that the only such (inner) symmetries are generated
by the modes of t... | 1994-10-28 | 2009-10-28 | [
"hep-th"
] | P.S. Montague |
hep-th/9410225 | Relativistic Aharonov-Bohm-Coulomb Problem | The Aharonov-Bohm effect is analyzed for a spin-1/2 particle in the case that
a $1/r$ potential is present. Scalar and vector couplings are each considered.
It is found that the approach in which the flux tube is given a finite radius
that is taken to zero only after a matching of boundary conditions does not
give phys... | 1994-10-28 | 2008-11-26 | [
"hep-th"
] | C.R. Hagen and D.K. Park |
hep-th/9410221 | Fermionic Coset Realization of the Critical Ising Model | We obtain an explicit realization of all the primary fields of the Ising
model in terms of a conformal field theory of constrained fermions. The
four-point correlators of the energy, order and disorder operators are
explicitly calculated. | 1994-10-28 | 2009-12-30 | [
"hep-th"
] | D.C.Cabra and K.D.Rothe |
hep-th/9410219 | Semi-Classical Quantization of Circular Strings in De Sitter and Anti De
Sitter Spacetimes | We compute the {\it exact} equation of state of circular strings in the (2+1)
dimensional de Sitter (dS) and anti de Sitter (AdS) spacetimes, and analyze its
properties for the different (oscillating, contracting and expanding) strings.
The string equation of state has the perfect fluid form $P=(\gamma-1)E,$ with
the p... | 1994-10-28 | 2010-11-01 | [
"hep-th",
"astro-ph",
"gr-qc"
] | H.J. de Vega, A.L. Larsen and N. Sanchez |
hep-th/9410214 | Critical Behaviour of a Fermionic Random Matrix Model at Large-N | We study the large-$N$ limit of adjoint fermion one-matrix models. We find
one-cut solutions of the loop equations for the correlators of these models and
show that they exhibit third order phase transitions associated with $m$-th
order multi-critical points with string susceptibility exponents $\gamma_{\rm
str}=-1/m$.... | 1994-10-27 | 2009-10-28 | [
"hep-th"
] | Nicole Marshall, Gordon W. Semenoff and Richard J. Szabo |
hep-th/9410211 | Equations from Non-Linear Chiral Transformations | In comparison with the $WT$ chiral identity which is indispensable for
renormalization theory, relations deduced from the non-linear chiral
transformation have a totally different physical significance. We wish to show
that non-linear chiral transformations are powerful tools to deduce useful
integral equations for pro... | 1994-10-27 | 2009-10-28 | [
"hep-th"
] | J.L. Jacquot, J. Richert and M. Umezawa |
hep-th/9410205 | S-Dual Gaugino Condensation and Supersymmetry Breaking | The principle of S-duality is used to incorporate gaugino condensates into
effective supergravity (superstring) Lagrangians. We discuss two
implementations of S-duality which differ in the way the coupling constant is
transformed. Both solve the problem of the runaway dilaton and lead to
satisfactory supersymmetry brea... | 1994-10-27 | 2009-10-28 | [
"hep-th"
] | Z. Lalak, A. Niemeyer and H.P. Nilles |
hep-th/9410204 | Functional determinants and effective actions:Corrigenda | Some calculational errors in expressions derived previously by the first
author for the effective action, or equivalently for the functional
determinant, on sectors of a spherical cap are corrected. The formula for the
change in the effective action under Weyl rescalings in the three dimensional
case is also amended. | 1994-10-27 | 2007-05-23 | [
"hep-th"
] | J.S.Dowker and J.S.Apps |
hep-th/9410213 | Geometric Phases and Mielnik's Evolution Loops | The cyclic evolutions and associated geometric phases induced by
time-independent Hamiltonians are studied for the case when the evolution
operator becomes the identity (those processes are called {\it evolution
loops}). We make a detailed treatment of systems having equally-spaced energy
levels. Special emphasis is ma... | 1994-10-27 | 2009-10-28 | [
"hep-th"
] | David J. Fern\'andez C |
hep-th/9410206 | String GUTs | Standard SUSY-GUTs such as those based on $SU(5)$ or $SO(10)$ lead to
predictions for the values of $\alpha _s$ and $sin^2\theta _W$ in amazing
agreement with experiment. In this article we investigate how these models may
be obtained from string theory, thus bringing them into the only known
consistent framework for q... | 1994-10-27 | 2009-10-09 | [
"hep-th",
"hep-ph"
] | G. Aldazabal, A. Font, L.E. Ibanez and A.M. Uranga |
hep-th/9410212 | Curved Four-Dimensional Spacetime as Infrared Regulator in Superstring
Theories | We construct a new class of exact and stable superstring solutions in which
our four-dimensional spacetime is taken to be curved . We derive in this space
the full one-loop partition function in the presence of non-zero $\langle
F^a_{\mu\nu}F_a^{\mu\nu}\rangle=F^2$ gauge background as well as in an $\langle
R_{\mu\nu\r... | 1994-10-27 | 2009-10-28 | [
"hep-th",
"hep-ph"
] | E. Kiritsis, C. Kounnas |
hep-th/9410207 | Diff invariant Poincare transformations as deformation of Poincare
algebra | The concept of $Diff^4$ invariant Poincare transformations is a cornerstone
of T(opological) G(eometro)D(ynamics). This concept makes it possible to
understand the concept of subjective time and irreversibelity as well as
nontriviality of S-matrix at quantum level. In this paper the possibility of
identifying $Diff^4$ ... | 1994-10-27 | 2007-05-23 | [
"hep-th",
"gr-qc"
] | M.Pitk\"anen |
hep-th/9410209 | On Structure Constants of $sl(2)$ Theories | Structure constants of minimal conformal theories are reconsidered. It is
shown that {\it ratios} of structure constants of spin zero fields of a
non-diagonal theory over the same evaluated in the diagonal theory are given by
a simple expression in terms of the components of the eigenvectors of the
adjacency matrix of ... | 1994-10-27 | 2010-11-01 | [
"hep-th",
"math.QA"
] | V. B. Petkova and J.-B. Zuber |
hep-th/9410210 | Classical/Quantum Duality | String theory requires two kinds of loop expansion: classical $(\alpha')$
worldsheet loops with expansion parameter $<T>$ where $T$ is a modulus field,
and quantum $(\hbar)$ spacetime loops with expansion parameter $<S>$ where $S$
is the dilaton field. Four-dimensional string/string duality (a corollary of
ten-dimensio... | 1994-10-27 | 2008-02-03 | [
"hep-th",
"hep-ph"
] | M. J. Duff |
hep-th/9410203 | Regular Conjugacy Classes in the Weyl Group and Integrable Hierarchies | Generalized KdV hierarchies associated by Drinfeld-Sokolov reduction to grade
one regular semisimple elements from non-equivalent Heisenberg subalgebras of a
loop algebra $\G\otimes{\bf C}[\lambda,\lambda^{-1}]$ are studied. The graded
Heisenberg subalgebras containing such elements are labelled by the regular
conjugac... | 1994-10-27 | 2010-11-01 | [
"hep-th"
] | F. Delduc and L. Feher |
hep-th/9410208 | On spectral theory of quantum vertex operators | In this note we prove the Davies-Foda-Jimbo-Miwa-Nakayashiki conjecture on
the asymptotics of the composition of n quantum vertex operators for the
quantum affine algebra U_q(\hat sl_2), as n goes to infinity. For this purpose
we define and study the leading eigenvalue and eigenvector of the product of
two components o... | 1994-10-27 | 2008-02-03 | [
"hep-th",
"math.QA"
] | Pavel Etingof |
hep-th/9410187 | Unitary Rules for Black Hole Evaporation | Hawking has proposed non-unitary rules for computing the probabilistic
outcome of black hole formation. It is shown that the usual interpretation of
these rules violates the superposition principle and energy conservation.
Refinements of Hawking's rules are found which restore both the superposition
principle and energ... | 1994-10-26 | 2008-02-03 | [
"hep-th",
"gr-qc"
] | Andrew Strominger |
hep-th/9410199 | Linear connections on the quantum plane | A general definition has been proposed recently of a linear connection and a
metric in noncommutative geometry. It is shown that to within normalization
there is a unique linear connection on the quantum plane and there is no
metric. | 1994-10-26 | 2009-10-28 | [
"hep-th",
"math.QA"
] | Michel Dubois-Violette, John Madore, Thierry Masson and Jihad Mourad |
hep-th/9410196 | On the Universality of Nonperturbative effects in Stabilized 2D Quantum
Gravity | In this letter I study the universality of the nonperturbative effects and
the vacua structure of the stochastic stabilization of the matrix models which
defines Pure 2D Quantum Gravity. I show also that there is not tunneling, in
the continuum limit, between the one-arc and three-arc solutions of the
simplest matrix m... | 1994-10-26 | 2009-10-28 | [
"hep-th"
] | Oscar Diego |
hep-th/9410190 | Diffeomorphism Cohomology in Beltrami Parametrization II : The 1-Forms | We study the 1-form diffeomorphism cohomologies within a local conformal
Lagrangian Field Theory model built on a two dimensional Riemann surface with
no boundary. We consider the case of scalar matter fields and the complex
structure is parametrized by Beltrami differential. The analysis is first
performed at the Clas... | 1994-10-26 | 2011-04-12 | [
"hep-th"
] | G. Bandelloni, S.Lazzarini |
hep-th/9410194 | Induced Topology on the Hoop Group | A new topology is proposed on the space of holonomy equivalence classes of
loops, induced by the topology of the space $\Sigma$ in which the loops are
embedded. The possible role for the new topology in the context of the work by
Ashtekar et al. is discussed. | 1994-10-26 | 2007-05-23 | [
"hep-th"
] | J. Rasmussen and M. Weis |
hep-th/9410191 | Conformal Sector in $D=6$ Quantum Gravity | We discuss the conformal factor dynamics in $D=6$. Accepting the proposal
that higher-derivative dimensionless terms in the anomaly-induced effective
action may be dropped, we obtain a superrenormalizable (like in $D=4$)
effective theory for the conformal factor. The one-loop analysis of this theory
gives the anomalous... | 1994-10-26 | 2009-09-17 | [
"hep-th"
] | Sergei D. Odintsov and August Romeo |
hep-th/9410198 | Point Interactions from Flux Conservation | We show that the physical requirement of flux conservation can substitute for
the usual matching conditions in point interactions. The study covers an
arbitrary superposition of $\delta$ and $\delta'$ potentials on the real line
and can be easily applied to higher dimensions. Our procedure can be seen as a
physical int... | 1994-10-26 | 2007-05-23 | [
"hep-th"
] | Luis J. Boya and E.C.G. Sudarshan |
hep-th/9410202 | Octonion X-product orbits | The octonionic X-product gives the octonions a flexibility not found in the
other real division algebras. The pattern of that flexibility is investigated
here. | 1994-10-26 | 2008-02-03 | [
"hep-th",
"math.RA"
] | Geoffrey Dixon |
hep-th/9410193 | Integrable Spin Chains Associated to $\widehat{sl_q(n)}$ and
$\widehat{sl_{p,q}(n)}$ | The Hoft structure of the central extension of the $U_q \left(
\widehat{sl\left( n \right) }\right)$ algebra is considered. The intertwine
matrix induces new integrable spin chain models. We show the relation of these
models and the biparametric spin chain $\widehat{sl_{p,q} \left( n \right)}$
models. The cases $n=2$ a... | 1994-10-26 | 2011-07-19 | [
"hep-th"
] | J. Abad and M. Rios |
hep-th/9410197 | The Vacuum in the Light-Cone Representation | The mechanism by which the physical vacuum can be different from the
perturbative vacuum in the light-cone representation is described and
illustrated. | 1994-10-26 | 2007-05-23 | [
"hep-th"
] | Gary McCartor |
hep-th/9410201 | Linear Connections in Non-Commutative Geometry | A construction is proposed for linear connections on non-commutative
algebras. The construction relies on a generalisation of the Leibnitz rules of
commutative geometry and uses the bimodule structure of $\Omega^1$. A special
role is played by the extension to the framework of non-commutative geometry of
the permutatio... | 1994-10-26 | 2010-04-06 | [
"hep-th"
] | J. Mourad |
hep-th/9410200 | The Four-Point Function on a Surface of Infinite Genus | The four-point function arising in the scattering of closed bosonic strings
in their tachyonic ground state is evaluated on a surface of infinite genus.
The amplitude has poles corresponding to physical intermediate states and
divergences at the boundary of moduli space, but no new types of divergences
result from the ... | 1994-10-26 | 2009-10-28 | [
"hep-th"
] | Simon Davis |
hep-th/9410192 | Extended Axial Model | We study an extension of the axial model where local gauge symmetries are
taken into account. The anomaly of the axial current is calculated by the
Fujikawa formalism and the model is also solved. Besides the well known
features of the particular models (axial and Schwinger) it was obtained an
effective interaction of ... | 1994-10-25 | 2007-05-23 | [
"hep-th"
] | R. Amorim and J. Barcelos-Neto |
hep-th/9410181 | Quantum Diffusion | We consider a simple quantum system subjected to a classical random force.
Under certain conditions it is shown that the noise-averaged Wigner function of
the system follows an integro-differential stochastic Liouville equation. In
the simple case of polynomial noise-couplings this equation reduces to a
generalized Fok... | 1994-10-25 | 2008-02-03 | [
"hep-th",
"adap-org",
"gr-qc",
"nlin.AO"
] | Salman Habib |
hep-th/9410184 | A Two Parameter Family of the Calabi-Yau d-Fold | We study a two parameter family of Calabi-Yau d-fold by means of mirror
symmetry. We construct mirror maps and calculate correlation functions
associated with {\kae} moduli in the original manifold. We find there are more
complicated instanton corrections of these couplings than threefolds, which is
expected to reflect... | 1994-10-25 | 2009-10-28 | [
"hep-th"
] | Katsuyuki Sugiyama |
hep-th/9410182 | Low Energy Description of Fermion Pairs in Topologically Massive
QED$_{2+1}$ with $N$ Flavours | In topologically massive QED$_{2+1}$ with $N$ flavours, there is the
possibility that two equal-charged fermions can form a bound state pair in
either s-wave or p-wave. We are concerned about the s-wave pairs and obtain the
low energy effective action describing them. It is shown that the fermion pairs
behave like doub... | 1994-10-25 | 2009-10-28 | [
"hep-th"
] | Jae Kwan Kim and Hyeonjoon Shin |
hep-th/9410189 | Finite dimensional representations of quantum affine algebras at roots
of unity | We describe explicitly the canonical map $\chi:$ Spec $\ue(\a{g})\
\rightarrow \ $Spec $\ze$, where $\ue(\a{g})$ is a quantum loop algebra at an
odd root of unity $\ve$. Here $\ze$ is the center of $\ue(\a{g})$ and Spec $R$
stands for the set of all finite--dimensional irreducible representations of an
algebra $R$. We ... | 1994-10-25 | 2008-02-03 | [
"hep-th",
"math.QA"
] | Jonathan Beck and Victor G. Kac |
hep-th/9410183 | Black Holes and Sphalerons in Low Energy Effective String Theory | Talk given at the 7th Marcel Grossmann Meeting on General Relativity,
Stanford University, July 24-30, 1994. | 1994-10-25 | 2007-05-23 | [
"hep-th"
] | George Lavrelashvili |
hep-th/9410188 | Difference-elliptic operators and root systems | Recently a new technique in the harmonic analysis on symmetric spaces was
suggested based on certain remarkable representations of affine and double
affine Hecke algebras in terms of Dunkl and Demazure operators instead of Lie
groups and Lie algebras. In the classic case it resulted (among other
applications) in a new ... | 1994-10-25 | 2008-02-03 | [
"hep-th",
"math.QA"
] | Ivan Cherednik |
hep-th/9410185 | Phase space properties of charged fields in theories of local
observables | Within the setting of algebraic quantum field theory a relation between
phase-space properties of observables and charged fields is established. These
properties are expressed in terms of compactness and nuclearity conditions
which are the basis for the characterization of theories with physically
reasonable causal and... | 1994-10-25 | 2016-09-06 | [
"hep-th"
] | D. Buchholz and C. D'Antoni |
hep-th/9410186 | $sl_q(2)$ Realizations for Kepler and Oscillator Potentials and
q-Canonical Transformations | The realizations of the Lie algebra corresponding to the dynamical symmetry
group SO(2,1) of the Kepler and oscillator potentials are q-deformed. The
q-canonical transformation connecting two realizations is given and a general
definition for q-canonical transformation is deduced. q-Schr\"{o}dinger
equation for a Keple... | 1994-10-25 | 2009-10-28 | [
"hep-th"
] | O.F. Dayi and I.H. Duru |
hep-th/9410175 | Integrable Difference Analogue of the Logistic Equation and B\"acklund
Transformation of the KP Hierarchy | A difference analogue of the logistic equation, which preserves
integrability, is derived from Hirota's bilinear difference equation. The
integrability of the map is shown to result from the large symmetry associated
with the B\"acklund transformation of the KP hierarchy. We introduce a scheme
which interpolates betwee... | 1994-10-24 | 2009-09-25 | [
"hep-th"
] | Noriko Saitoh, Satoru Saito and Akinobu Shimizu |
hep-th/9410195 | On Equations with Universal Invariance | A general discussion of equations with universal invariance for a scalar
field is provided in the framework of Lagrangian theory of first-order systems. | 1994-10-24 | 2007-05-23 | [
"hep-th"
] | Dan Radu Grigore |
hep-th/9410172 | A Gauge Field Model On $SU(2)_L\times SU(2)_R\times U(1)_Y \times
\pi_4(G_{YM})$ | We reconstruct the Lagrangian of a left-right symmetric model with the gauge
group $SU(2)_L\times SU(2)_R\times U(1)_Y \times \pi_4(SU(2)_L\times
SU(2)_R\times U(1)_Y) $. The Higgs fields appear as gauge fields on discrete
gauge group $\pi_4(SU(2)_L\times SU(2)_R\times U(1)_Y) $ and are assigned in a
way complying with... | 1994-10-24 | 2007-05-23 | [
"hep-th"
] | Bin Chen, Han-Ying Guo, Hong-Bo Teng and Ke Wu |
hep-th/9410176 | Entropy Production via Particle Production | I critically examine the notion of ``irreversibility,'' and discuss in what
sense it applies to the spontaneous creation of particles in external fields.
The investigation reveals that particle creation in very strong fields can only
be described by a non-Markovian transport theory. | 1994-10-24 | 2009-04-30 | [
"hep-th",
"gr-qc",
"nucl-th"
] | J. Rau |
hep-th/9410179 | Divergences in the Moduli Space Integral and Accumulating Handles in the
Infinite-Genus Limit | The symmetries associated with the closed bosonic string partition function
are examined so that the integration region in Teichmuller space can be
determined. The conditions on the period matrix defining the fundamental region
can be translated to relations on the parameters of the uniformizing Schottky
group. The gro... | 1994-10-24 | 2009-10-28 | [
"hep-th"
] | Simon Davis |
hep-th/9410180 | Spectrum Degeneracy of General (p=2)--Parasupersymmetric Quantum
Mechanics and Parasupersymmetric Topological Invariants | A thorough analysis of the general features of $(p=2)$ parasupersymmetric
quantum mechanics is presented. It is shown that for both Rubakov--Spiridonov
and Beckers--Debergh formulations of $(p=2)$-parasupersymmetric quantum
mechanics, the degeneracy structure of the energy spectrum can be derived using
the defining par... | 1994-10-24 | 2015-06-26 | [
"hep-th"
] | Ali Mostafazadeh |
hep-th/9410178 | Fermions in the Background of Dilatonic Sphalerons | We discuss the properties and interpretation of a discrete sequence of a
static spherically symmetric solutions of the Yang-Mills-dilaton theory. This
sequence is parametrized by the number $n$ of zeros of a component of the gauge
field potential. It is demonstrated that solutions with odd $n$ posses all the
properties... | 1994-10-24 | 2007-05-23 | [
"hep-th"
] | George Lavrelashvili |
hep-th/9410177 | Mirror Symmetry on Arbitrary Dimensional Calabi-Yau Manifold with a few
moduli | We calculate the B-model on the mirror pair of $X_{2N-2}(2,2,\cdots,2,1,1)$ ,
which is an $(N-2)$-dimensional Calabi-Yau manifold and has two marginal
operators i.e. $h^{1,1}(X_{2N-2}(2,2,\cdots,2,1,1))=2$. In \cite{nagandjin} we
have discussed about mirror symmetry on $X_N(1,1,\cdots,1)$ and its mirror
pair. However, ... | 1994-10-24 | 2015-06-26 | [
"hep-th"
] | Masaru Nagura (Department of Phisics, The University of Tokyo, Japan) |
hep-th/9410174 | Can the $2(2j+1)$ component Weinberg-Tucker-Hammer equations describe
the electromagnetic field? | It is shown that the massless $j=1$ Weinberg-Tucker-Hammer equations reduce
to the Maxwell's equations for electromagnetic field under the definite choice
of field functions and initial and boundary conditions. Thus, the former appear
to be of use in a description of some physical processes for which that could
be nece... | 1994-10-23 | 2014-11-18 | [
"hep-th"
] | Valeri V. Dvoeglazov (Zacatecas University, M\'exico) |
hep-th/9410173 | On $q$-Deformed Spinning Relativistic Particle | A $q$-deformed free spinning relativistic particle is discussed in the
framework of the Lagrangian formalism. Three equivalent Lagrangians are
obtained for this system which are endowed with $q$-deformed local (super)gauge
symmetries and reparametrization invariance. It is demonstrated that these
symmetries are on-shel... | 1994-10-23 | 2009-10-28 | [
"hep-th"
] | R.P.Malik |
hep-th/9410171 | On Solutions of Tetrahedron Equations based on Korepanov Mechanism | We have examined solutions of tetrahedron equations from the elliptic free
fermion model by using Korepanov mechanism based on tetrahedral Zamolodchikov
algebras. As a byproduct, we have found a new integrable 2-dim. lattice model.
We have also studied the relation between tetrahedral Zamolodchikov algebras
and tetrahe... | 1994-10-22 | 2017-02-01 | [
"hep-th"
] | M. Horibe and K. Shigemoto |
hep-th/9410158 | Vector-Chiral Equivalence in Null Gauged WZNW Theory | We consider the standard vector and chiral gauged WZNW models by their gauged
maximal null subgroups and show that they can be mapped to each other by a
special transformation. We give an explicit expression for the map in the case
of the classical Lie groups $ A_N $, $ B_N $, $ C_N $, $ D_N $, and note its
connection ... | 1994-10-22 | 2015-06-26 | [
"hep-th"
] | F. Ardalan, A. M. Ghezelbash |
hep-th/9410170 | Explicit Construction of $N=2$ $W_3$ Current in the $N=2$ Coset
$\frac{SU(3)}{SU(2) \times U(1)}$ Model | We discuss the nonlinear extension of $N=2$ superconformal algebra by
generalizing Sugawara construction and coset construction built from $N=2$
currents based on Kazama-Suzuki $N=2$ coset model $\frac{SU(3)}{SU(2) \times
U(1)}$ in $N=2$ superspace. For the generic unitary minimal series $c =
6(1-\frac{3}{k+3})$ where ... | 1994-10-22 | 2009-10-28 | [
"hep-th"
] | Changhyun Ahn |
hep-th/9410163 | On a nonstandard two-parametric quantum algebra and its connections with
$U_{p,q}(gl(2))$ and $U_{p,q}(gl(1|1))$ | A quantum algebra $U_{p,q}(\zeta ,H,X_\pm )$ associated with a nonstandard
$R$-matrix with two deformation parameters$(p,q)$ is studied and, in
particular, its universal ${\cal R}$-matrix is derived using Reshetikhin's
method. Explicit construction of the $(p,q)$-dependent nonstandard $R$-matrix
is obtained through a c... | 1994-10-21 | 2009-10-28 | [
"hep-th"
] | R. Chakrabarti and R. Jagannathan |
hep-th/9410165 | KDV and NLS Equations as Tri-Hamiltonian Systems | We show that the KdV and the NLS equations are tri-Hamiltonian systems. We
obtain the third Hamiltonian structure for these systems and prove Jacobi
identity through the method of prolongation. The compatibility of the
Hamiltonian structures is verified directly through prolongation as well as
through the shifting of t... | 1994-10-21 | 2007-05-23 | [
"hep-th"
] | J. C. Brunelli and Ashok Das |
hep-th/9410166 | Collective Hamiltonians with Kac-Moody Algebraic Conditions | We describe the general framework for constructing collective--theory
Hamiltonians whose hermicity requirements imply a Kac--Moody algebra of
constraints on the associated Jacobian. We give explicit examples for the
algebras $sl(2)_k$ and $sl(3)_k$. The reduction to $W_n$--constraints, relevant
to $n$-matrix models, is... | 1994-10-21 | 2009-10-28 | [
"hep-th"
] | Jean Avan (LPTHE Paris 6/7, France) and Antal Jevicki (Physics Dept.
Brown University, USA) |
hep-th/9410162 | Regularisation, the BV method, and the antibracket cohomology | We review the Lagrangian Batalin--Vilkovisky method for gauge theories. This
includes gauge fixing, quantisation and regularisation. We emphasize the role
of cohomology of the antibracket operation. Our main example is $d=2$ gravity,
for which we also discuss the solutions for the cohomology in the space of
local integ... | 1994-10-21 | 2015-06-26 | [
"hep-th"
] | Walter Troost and Antoine Van Proeyen |
hep-th/9410169 | Representation-theoretic proof of the inner product and symmetry
identities for Macdonald's polynomials | This paper is a continuation of our papers \cite{EK1, EK2}. In \cite{EK2} we
showed that for the root system $A_{n-1}$ one can obtain Macdonald's
polynomials as weighted traces of intertwining operators between certain
finite-dimensional representations of $U_q(sl_n)$. The main goal of the present
paper is to use this ... | 1994-10-21 | 2008-02-03 | [
"hep-th",
"math.QA"
] | Pavel Etingof, Alexander Kirillov Jr |
hep-th/9410157 | c=1 discrete states correlators via W$_{1+\infty}$ constraints | The discrete states of $c=1$ string theory at the self-dual radius are
associated with modes of $W_{1+\infty}$ currents and their genus zero
correlators are computed. An analogy to a recent suggestion based on the
integrable structure of the theory is found. An iterative method for deriving
the dependence of the curren... | 1994-10-21 | 2009-09-29 | [
"hep-th"
] | Amihay Hanany and Yaron Oz |
hep-th/9410156 | Classical Extended Conformal Algebras Associated with Constrained KP
Hierarchy | We examine the conformal property of the second Hamiltonian structure of
constrained KP hierarchy derived by Oevel and Strampp. We find that it
naturallygives a family of nonlocal extended conformal algebras. We give two
examples of such algebras and find that they are similar to Bilal's V algebra.
By taking a gauge tr... | 1994-10-21 | 2009-10-28 | [
"hep-th"
] | Wen-Jui Huang, J.C. Shaw and H.C. Yen |
hep-th/9410161 | Dimensionality as a Perturbation Parameter in the Generalized Hydrogen
Atom | A recent suggestion has been made that the hydrogen bound state spectrum
should not depend on the number of spatial dimensions. It is pointed out here
that the uncertainty principle implies that such differences must exist and
that a perturbation expansion in the dimensionality parameter yields a precise
quantitative c... | 1994-10-21 | 2009-10-28 | [
"hep-th"
] | C.R. Hagen |
hep-th/9410160 | Quantum deflation of classical extended objects | It is shown, that extended particle-like objects should infinitely long
collapse into some discontinuous configurations of the same topology, but
vanishing mass. Analytic results concerning the general properties and
asymptotic rates of such a process are given for 1+1-dimensional soliton
models. | 1994-10-21 | 2007-05-23 | [
"hep-th"
] | K.Sveshnikov |
hep-th/9410164 | Field Theory of Open and Closed Strings with Discrete Target Space | We study a $U(N)$-invariant vector+matrix chain with the color structure of a
lattice gauge theory with quarks and interpret it as a theory of open andclosed
strings with target space $\Z$. The string field theory is constructed as a
quasiclassical expansion for the Wilson loops and lines in this model. In a
particular... | 1994-10-21 | 2014-11-18 | [
"hep-th"
] | Ivan K. Kostov |
hep-th/9410159 | The Dynamics Of Vortex And Monopole Production By Quench Induced Phase
Separation | Our understanding of the mechanism by which topological defects are formed in
symmetry breaking phase transitions has recently changed. We examine the
non-equilibrium dynamics of defect formation for weakly-coupled global O(N)
theories possessing vortices (strings) and monopoles. It is seen that, as
domains form and gr... | 1994-10-21 | 2010-11-01 | [
"hep-th",
"hep-ph"
] | A.J. Gill and R.J. Rivers |
hep-th/9410168 | Varieties of Quantum Measurement | Quantum measurement theory has fallen under the resticting influence of the
attempt to explain the fundamental axioms of quantum theory in terms of the
theory itself. This has not only led to confusion but has also restricted our
attention to a limited class of measurements. This paper outlines some of the
novel types ... | 1994-10-21 | 2009-10-28 | [
"hep-th",
"gr-qc"
] | W. G. Unruh |
hep-th/9410167 | Unity of Superstring Dualities | The effective action for type II string theory compactified on a six torus is
$N=8$ supergravity, which is known to have an $E_{7}$ duality symmetry. We show
that this is broken by quantum effects to a discrete subgroup, $E_7(\Z)$, which
contains both the T-duality group $SO(6,6;\Z)$ and the S-duality group
$SL(2;\Z)$.... | 1994-10-21 | 2009-07-09 | [
"hep-th"
] | C. M. Hull and P. K. Townsend |
hep-th/9410155 | Unitarity, Analytical Time and Hawking's Temperature | By analytically continuing the time variable in a black hole background, and
requiring unitary evolution, it is found that quantum mechanical states at the
horizon develop a thermal factor under suitable identification of the physical
time. The thermal factor is found to be determined exactly by the Hawking's
temperatu... | 1994-10-21 | 2007-05-23 | [
"hep-th",
"gr-qc"
] | Tze-Dan Chung |
hep-th/9410151 | My Encounters --- as a Physicist --- with Mathematics | 25th anniversary and new building dedication Centre de Recherches
Math\'{e}matiques Montr\'{e}al, Canada, October 1994 | 1994-10-20 | 2007-05-23 | [
"hep-th"
] | R. Jackiw |
hep-th/9410146 | 3_F_2(1) hypergeometric function and quadratic R-matrix algebra | We construct a class of representations of the quadratic R-matrix algebra,
given by the reflection equation with the spectral parameter, in terms of
certain ordinary difference operators. These operators turn out to act as
parameter shifting operators on the 3_F_2(1) hypergeometric function and its
limit cases and on c... | 1994-10-20 | 2008-02-03 | [
"hep-th",
"math.CA",
"math.QA"
] | Vadim B. Kuznetsov |
hep-th/9410154 | A Hopf Algebra Structure in Self-dual Gravity | The two-dimensional non-linear sigma model approach to Self-dual Yang-Mills
theory and to Self-dual gravity given by Q-Han Park is an example of the deep
interplay between two and four dimensional physics. In particular, Husain's
two-dimensional chiral model approach to Self-dual gravity is studied. We show
that the in... | 1994-10-20 | 2008-02-03 | [
"hep-th",
"gr-qc"
] | Hugo Garcia-Compean, Laura E. Morales and Jerzy F. Plebanski |
hep-th/9410150 | Ultra-Multiplets: A New Representation of Rigid 2D, N = 8 Supersymmetry | By utilizing a new procedure (the RADIO method) for deriving on-shell 2D,
2N-extended multiplets from off-shell 2D, N-extended multiplets, we derive a
new on-shell 2D, N = 8 representation; the ultra-multiplet. By twisting with
respect to parity, we show that many variant versions of this supermultiplet
also exist. | 1994-10-20 | 2009-10-28 | [
"hep-th"
] | S. James Gates Jr. and L. Rana |
hep-th/9410144 | The Quantum Algebraic Structure of the Twisted XXZ Chain | We consider the Quantum Inverse Scattering Method with a new R-matrix
depending on two parameters $q$ and $t$. We find that the underlying algebraic
structure is the two-parameter deformed algebra $SU_{q,t}(2)$ enlarged by
introducing an element belonging to the centre. The corresponding Hamiltonian
describes the spin-... | 1994-10-20 | 2009-10-28 | [
"hep-th",
"cond-mat"
] | M.R-Monteiro, I.Roditi, L.M.C.S.Rodrigues and S.Sciuto |
hep-th/9410147 | Four Dimensional Integrable Theories | There exist many four dimensional integrable theories. They include self-dual
gauge and gravity theories, all their extended supersymmetric generalisations,
as well the full (non-self-dual) N=3 super Yang-Mills equations. We review the
harmonic space formulation of the twistor transform for these theories which
yields ... | 1994-10-20 | 2015-06-26 | [
"hep-th",
"nlin.SI",
"solv-int"
] | Ch. Devchand and V. Ogievetsky |
hep-th/9410149 | Why Are There So Many N = 4 Superstrings? | We demonstrate the existence of three off-shell distinct N = 4 superstrings
at the level of manifest locally supersymmetric Lagrangian field theories on
the world sheet. | 1994-10-20 | 2009-10-28 | [
"hep-th"
] | S. James Gates Jr |
hep-th/9410152 | The Box Graph In Superstring Theory | In theories of closed oriented superstrings, the one loop amplitude is given
by a single diagram, with the topology of a torus. Its interpretation had
remained obscure, because it was formally real, converged only for purely
imaginary values of the Mandelstam variables, and had to account for the
singularities of both ... | 1994-10-20 | 2010-11-01 | [
"hep-th"
] | E. D'Hoker and D. H. Phong |
hep-th/9410153 | Developing a local deterministic theory to account for quantum
mechanical effects | Franson showed that Aspect's experiment to test Bell's inequality did not
rule out local realistic theories with delayed determinism. A class of local,
deterministic discrete mathematical models with delayed determinism is
described that may be consistent with existing experiments. These are not
hidden variables theori... | 1994-10-20 | 2008-02-03 | [
"hep-th"
] | Paul P. Budnik Jr. (Mountain Math Software) |
hep-th/9410148 | World-sheet aspects of mirror symmetry | (Talk given at the Oskar Klein centenary symposium 19-21 September 1994 in
Stockholm, Sweden, to appear in the proceedings.) The first half of this talk
is a non-technical discussion of some general aspects of string theory, in
particular the problem of compactification. We also give an introduction to
mirror symmetry.... | 1994-10-20 | 2007-05-23 | [
"hep-th"
] | Mans Henningson |
hep-th/9410145 | Polynomial deformations of $osp(1/2)$ and generalized parabosons | We consider the algebra $R$ generated by three elements $A,B,H$ subject to
three relations $[H,A]=A$, $[H,B]=-B$ and $\{A,B\}=f(H)$. When $f(H)=H$ this
coincides with the Lie superalgebra $osp(1/2)$; when $f$ is a polynomial we
speak of polynomial deformations of $osp(1/2)$. Irreducible representations of
$R$ are descr... | 1994-10-20 | 2009-10-28 | [
"hep-th"
] | J. Van der Jeugt and R. Jagannathan |
hep-th/9410143 | Hamiltonian BRST Quantization of the Conformal String | We present a new formulation of the tensionless string ($T= 0$) where the
space-time conformal symmetry is manifest. Using a Hamiltonian BRST scheme we
quantize this {\em Conformal String} and find that it has critical dimension
$D=2$. This is in keeping with our classical result that the model describes
massless parti... | 1994-10-19 | 2009-10-28 | [
"hep-th"
] | H.Gustafsson, U.Lindstr\"om, P.Saltsidis, B.Sundborg and R.v.Unge |
hep-th/9410136 | String Cosmology with a Time-Dependent Antisymmetric Tensor Potential | We present a class of exact solutions for homogeneous, anisotropic
cosmologies in four dimensions derived from the low-energy string effective
action including a homogeneous dilaton $\phi$ and antisymmetric tensor
potential $B_{\mu\nu}$. Making this potential time-dependent produces an
anisotropic energy-momentum tenso... | 1994-10-19 | 2011-07-19 | [
"hep-th",
"gr-qc"
] | E. J. Copeland, Amitabha Lahiri and David Wands |
hep-th/9410135 | $h$-Deformation as a Contraction of $q$-Deformation | We show that $h$-deformation can be obtained, by a singular limit of a
similarity transformation, from $q$-deformation; to be specefic, we obtain
$\GL_h(2)$, its differential structure, its inhomogenous extension, and
$\Uh{\sl(2)}$ from their $q$-deformed counterparts. | 1994-10-19 | 2015-06-26 | [
"hep-th"
] | A. Aghamohammadi, M. Khorrami and A. Shariati |
hep-th/9410137 | Topological Modes in Dual Lattice Models | Lattice gauge theory with gauge group $Z_{P}$ is reconsidered in four
dimensions on a simplicial complex $K$. One finds that the dual theory,
formulated on the dual block complex $\hat{K}$, contains topological modes
which are in correspondence with the cohomology group $H^{2}(\hat{K},Z_{P})$,
in addition to the usual ... | 1994-10-19 | 2008-11-26 | [
"hep-th"
] | Mark Rakowski |
hep-th/9410140 | Quantum scattering of charged solitons in the complex sine-Gordon model | The scattering of charged solitons in the complex sine-Gordon field theory is
investigated. An exact factorizable S-matrix for the theory is proposed when
the renormalized coupling constant takes the values $\lambda^{2}_{R}=4\pi/k$
for any integer $k>1$: the minimal S-matrix associated with the Lie algebra
$a_{k-1}$. I... | 1994-10-19 | 2010-11-01 | [
"hep-th"
] | Nicholas Dorey and Timothy J. Hollwood |
hep-th/9410139 | The BV Quantisation of Superparticles Type I and II | { This letter discusses the BRST cohomology of superparticles type I and II.
It was used an extended super-space to construct $S0(9,1)$ superparticle
actions that lead to super-wave functions whose spinor components satisfy
$S0(9,1)$ covariant constraints. Their BRST charges were found by using BV
methods, since the mo... | 1994-10-19 | 2008-02-03 | [
"hep-th"
] | J.L Vazquez-Bello |
hep-th/9410141 | The Renormalization Group and Two Dimensional Multicritical Effective
Scalar Field Theory | Direct verification of the existence of an infinite set of multicritical
non-perturbative FPs (Fixed Points) for a single scalar field in two
dimensions, is in practice well outside the capabilities of the present
standard approximate non-perturbative methods. We apply a derivative expansion
of the exact RG (Renormaliz... | 1994-10-19 | 2009-10-28 | [
"hep-th",
"cond-mat",
"hep-lat"
] | Tim R. Morris |
hep-th/9410142 | On Spherically Symmetric String Solutions in Four Dimensions | We reconsider here the problem of finding the general 4D spherically
symmetric, asymptotically flat and time-independent solutions to the
lowest-order string equations in the $\ap$ expansion. Our construction includes
earlier work, but differs from it in three ways. (1) We work with general
background metric, dilaton, ... | 1994-10-19 | 2010-11-19 | [
"hep-th",
"gr-qc"
] | C.P. Burgess, R.C. Myers and F. Quevedo |
hep-th/9410138 | BRS symmetry for Yang-Mills theory with exact renormalization group | In the exact renormalization group (RG) flow in the infrared cutoff $\Lambda$
one needs boundary conditions. In a previous paper on $SU(2)$ Yang-Mills theory
we proposed to use the nine physical relevant couplings of the effective action
as boundary conditions at the physical point $\Lambda=0$ (these couplings are
defi... | 1994-10-19 | 2009-10-28 | [
"hep-th"
] | M. Bonini, M. D'Attanasio and G. Marchesini |
hep-th/9410124 | Review of Non-Commutative Geometric Methods Applied to Particle Physics | This is a brief review where some basic elements of non-commutative geometry
are given. The rules and ingredients that enter in the construction of the
standard model and grand unification models in non-commutative geometry are
summarized. A connection between some space-time supersymmetric models and
non-commutative g... | 1994-10-18 | 2015-03-10 | [
"hep-th"
] | A. H. Chamseddine |
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