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 |
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hep-th/9307051 | Delicacies of the Mass Perturbation in the Schwinger Model on a Circle | The Hilbert bundle for the massless fermions of the Schwinger model on a
circle, over the space of gauge field configurations, is topologically
non-trivial (twisted). The corresponding bundle for massive fermions is
topologically trivial (periodic). Since the structure of the fermionic Hilbert
bundle changes discontinu... | 1993-07-07 | 2009-10-22 | [
"hep-th"
] | M. B. Paranjape |
hep-th/9307045 | String Field Theory of Noncritical Strings | We construct the Hamiltonian operator of the string field theory for $c=0$
string theory. It describes how strings evolve in the coordinate frame, which
is defined by using the geodesic distance on the worldsheet. The Hamiltonian
consists of three-string interaction terms and a tadpole term. We show that one
can derive... | 1993-07-07 | 2009-10-22 | [
"hep-th"
] | Nobuyuki Ishibashi and Hikaru Kawai |
hep-th/9307052 | Aspects of Exactly Solvable Quantum-Corrected 2D Dilaton Gravity
Theories | After reviewing the basic aspects of the exactly solvable quantum-corrected
dilaton-gravity theories in two dimensions, we discuss a (subjective) selection
of other aspects: a) supersymmetric extensions, b) canonical formalism,
ADM-mass, and the functional integral measure, and c) a positive energy theorem
and its appl... | 1993-07-07 | 2011-04-15 | [
"hep-th",
"gr-qc"
] | Adel Bilal |
hep-th/9307047 | Relativistic Quantum Theory with Fractional Spin and Statistics | These lectures discuss the formulation of quantum mechanics with fractional
spin and statistics in 2+1 dimensions in a relativistic setting, emphasizing
the path-integral approach. The non-relativistic theory is reviewed from a
path-integral viewpoint. The group-theoretical underpinnings of relativistic
fractional spin... | 1993-07-07 | 2007-05-23 | [
"hep-th"
] | Stefano Forte |
hep-th/9307049 | Vacuum interpolation in supergravity via super p-branes | We show that many of the recently proposed supersymmetric p-brane solutions
of d=10 and d=11 supergravity have the property that they interpolate between
Minkowski spacetime and a compactified spacetime, both being supersymmetric
supergravity vacua. Our results imply that the effective worldvolume action for
small fluc... | 1993-07-07 | 2009-10-07 | [
"hep-th"
] | G.W. Gibbons and P.K. Townsend |
hep-th/9307048 | Abelian Current Algebra and the Virasoro Algebra on the Lattice | We describe how a natural lattice analogue of the abelian current algebra
combined with free discrete time dynamics gives rise to the lattice Virasoro
algebra and corresponding hierarchy of conservation laws. | 1993-07-07 | 2009-10-22 | [
"hep-th"
] | L. Faddeev and A.Yu. Volkov |
hep-th/9307046 | A BRST Analysis of $W$-symmetries | We perform a classical BRST analysis of the symmetries corresponding to a
generic $w_N$-algebra. An essential feature of our method is that we write the
$w_N$-algebra in a special basis such that the algebra manifestly has a
``nested'' set of subalgebras $v_N^N \subset v_N^{N-1} \subset \dots \subset
v_N^2 \equiv w_N$ ... | 1993-07-07 | 2009-10-22 | [
"hep-th"
] | E. Bergshoeff, H.J. Boonstra, S. Panda and M. de Roo |
hep-th/9307037 | gl(N,N) Current Algebras and Topological Field Theories | The conformal field theory for the $gl(N,N)$ affine Lie superalgebra in two
space-time dimensions is studied. The energy-momentum tensor of the model, with
vanishing Virasoro anomaly, is constructed. This theory has a topological
symmetry generated by operators of dimensions 1, 2 and 3, which are represented
as normal-... | 1993-07-06 | 2009-10-22 | [
"hep-th"
] | J. M. Isidro and A. V. Ramallo |
hep-th/9307030 | A new family of $SU(2)$ symmetric integrable sigma models | (Minor corrections and reference added) | 1993-07-06 | 2011-04-20 | [
"hep-th"
] | J. Balog, P. Forg\'acs, Z. Horv\'ath and L. Palla |
hep-th/9307034 | Scale anomalies in non-relativistic field theories in 2+1 dimensions | {}From the one-loop effective potential for a gas of non-relativistic bosons
in two spatial dimensions interacting via a delta-function potential at
zero-temperature and finite chemical potential, the anomaly of the
energy-momentum tensor follows directly. It is also similarly derived when the
bosons have an additional... | 1993-07-06 | 2009-10-22 | [
"hep-th",
"cond-mat"
] | T. Haugset and F. Ravndal |
hep-th/9307036 | The Dynamics of Relativistic Membranes I: Reduction to 2-dimensional
Fluid Dynamics | We greatly simplify the light-cone gauge description of a relativistic
membrane moving in Minkowski space by performing a field-dependent change of
variables which allows the explicit solution of all constraints and a
Hamiltonian reduction to a $SO(1,3)$ invariant $2+1$-dimensional theory of
isentropic gas dynamics, wh... | 1993-07-06 | 2011-05-05 | [
"hep-th"
] | Martin Bordemann and Jens Hoppe |
hep-th/9307043 | BRST Operator for Superconformal Algebras with Quadratic Nonlinearity | We construct the quantum BRST operators for a large class of superconformal
and quasi--superconformal algebras with quadratic nonlinearity. The only free
parameter in these algebras is the level of the (super) Kac-Moody sector. The
nilpotency of the quantum BRST operator imposes a condition on the level. We
find this c... | 1993-07-06 | 2009-10-22 | [
"hep-th"
] | Z. Khviengia and E. Sezgin |
hep-th/9307039 | Doubly Supersymmetric Null Strings and String Tension Generation | We propose a twistor--like formulation of N=1, D=3,4,6 and 10 null
superstrings. The model possesses N=1 target space supersymmetry and n=D-2
local worldsheet supersymmetry, the latter replaces the kappa-symmetry of the
conventional approach to the strings. Adding a Wess--Zumino term to a null
superstring action we obs... | 1993-07-06 | 2009-10-22 | [
"hep-th"
] | Igor A. Bandos, Dmitrij P. Sorokin, Mario Tonin and Dmitrij V. Volkov |
hep-th/9307038 | Computing the Complete Massless Spectrum of a Landau-Ginzburg Orbifold | We develop techniques to compute the complete the massless spectrum in
heterotic string compactification on N=2 supersymmetric Landau-Ginzburg
orbifolds. This includes not just the familiar charged fields, but also the
gauge singlets. The number of gauge singlets can vary in the moduli space of a
given compactification... | 1993-07-06 | 2010-04-07 | [
"hep-th"
] | Shamit Kachru and Edward Witten |
hep-th/9307033 | Symplectic Structure of 2D Dilaton Gravity | We analyze the symplectic structure of two-dimensional dilaton gravity by
evaluating the symplectic form on the space of classical solutions. The case
when the spatial manifold is compact is studied in detail. When the matter is
absent we find that the reduced phase space is a two-dimensional cotangent
bundle and deter... | 1993-07-06 | 2009-01-16 | [
"hep-th"
] | A. Mikovic and M. Navarro |
hep-th/9307035 | The Topological Charges of the $a_n^{(1)}$ Affine Toda Solitons | The topological charges of the \an affine Toda solitons are considered. A
general formula is presented for the number of charges associated with each
soliton, as well as an expression for the charges themselves. For each soliton
the charges are found to lie in the corresponding fundamental representation,
though in gen... | 1993-07-06 | 2008-11-26 | [
"hep-th"
] | W.A. McGhee |
hep-th/9307042 | Conjectures on Non-Local Effects in String Black Holes | We consider modifications to general relativity by the non-local (classical
and quantum) string effects for the case of a D-dimensional Scwarzschild black
hole. The classical non-local effects do not alter the spacetime topology (the
horizon remains unshifted, at least perturbatively). We suggest a simple
analytic cont... | 1993-07-06 | 2010-11-01 | [
"hep-th"
] | B. Harms and Y. Leblanc |
hep-th/9307044 | Wave Function Evolution of a Dissipative System | For a dissipative system with Ohmic friction, we obtain a simple and exact
solution for the wave function of the system plus the bath. It is described by
the direct product in two independent Hilbert space. One of them is described
by an effective Hamiltonian, the other represents the effect of the bath, i.e.,
the Brow... | 1993-07-06 | 2008-11-26 | [
"hep-th"
] | Li Hua Yu, Chang-Pu Sun |
hep-th/9307040 | N=2 gauged WZW models and the elliptic genus | Witten recently gave further evidence for the conjectured relationship
between the $A$ series of the $N=2$ minimal models and certain Landau-Ginzburg
models by computing the elliptic genus for the latter. The results agree with
those of the $N=2$ minimal models, as can be calculated from the known
characters of the dis... | 1993-07-06 | 2009-10-22 | [
"hep-th"
] | M{\aa}ns Henningson |
hep-th/9307031 | Fusion Algebras of Fermionic Rational Conformal Field Theories via a
Generalized Verlinde Formula | We prove a generalization of the Verlinde formula to fermionic rational
conformal field theories. The fusion coefficients of the fermionic theory are
equal to sums of fusion coefficients of its bosonic projection. In particular,
fusion coefficients of the fermionic theory connecting two conjugate Ramond
fields with the... | 1993-07-06 | 2009-10-22 | [
"hep-th"
] | Wolfgang Eholzer, Ralf H\"ubel |
hep-th/9307032 | Is it possible to extend the deformed Weyl algebra $W_q(n)$ to a Hopf
algebra? | We argue that the algebra $W_q(n)$, generated by $n$ pairs of deformed
$q$-bosons, does not allow a Hopfalgebra structure. To this end we show that it
is impossible to define a comultiplication even for the usual, nondeformed
case. We indicate how the comultiplication on $U_q[osp(1/2n)]$ can be used in
order to constru... | 1993-07-06 | 2008-02-03 | [
"hep-th",
"math.QA"
] | T. D. Palev |
hep-th/9307029 | $N=2$ super $W$ algebra in half-twisted Landau-Ginzburg model | We investigate $N=2$ extended superconformal symmetry, using the half-twisted
Landau-Ginzburg models. The first example is the $D_{2n+2}$ -type minimal
model. It has been conjectured that this model has a spin $n$ super $W$
current. We checked this by the direct computations of the BRS cohomology class
up to $n=4$. We ... | 1993-07-06 | 2015-06-26 | [
"hep-th"
] | Kenji Mohri |
hep-th/9307041 | Manin triples and $N=2$ superconformal field theory | This work was inspired by the article of Parkhomenko, who drew attention to
the central role played in the work of Spindel, Sevrin, Troust and van Proyen,
by Manin triples. These authors have shown how to associate to a Manin triple
an $N=2$ superconformal field theory (the work of Kazama-Suzuki is a special
case of th... | 1993-07-06 | 2008-02-03 | [
"hep-th",
"math.QA"
] | Ezra Getzler (MIT) |
hep-th/9307026 | Quadratic brackets from symplectic forms | We give a physicist oriented survey of Poisson-Lie symmetries of classical
systems. We consider finite dimensional geometric actions and the chiral WZNW
model as examples for the general construction. An essential point is that
quadratic Poisson bracets appear for group--like variables. It is believed that
after quanti... | 1993-07-05 | 2009-10-22 | [
"hep-th"
] | Anton Alekseev and Ivan Todorov |
hep-th/9307028 | Extrinsic Curvature Induced 2-d Gravity | Abtract: 2-dimensional fermions are coupled to extrinsic geometry of a
conformally immersed surface in ${\bf R}^3$ through gauge coupling. By
integrating out the fermions, we obtain a WZNW action involving extrinsic
curvature of the surface. Restricting the resulting effective action to
surfaces of $h\sqrt g=1$, an exp... | 1993-07-05 | 2007-05-23 | [
"hep-th"
] | K.S.Viswanathan and R.Parthasarathy |
hep-th/9307027 | The WZNW Model at Two Loops | We study perturbatively the (conformal) WZNW model. At one loop we compute
one-particle irreducible two- and three-point current correlation functions,
both in the conventional version and in the classically equivalent, chiral,
nonlocal, induced version of the model. At two loops we compute the two-point
function and f... | 1993-07-05 | 2009-10-22 | [
"hep-th"
] | B. de Wit, M.T. Grisaru, and P. van Nieuwenhuizen |
hep-th/9307021 | Two-Dimensional Integrable Systems and Self-Dual Yang-Mills Equations | The relation between two--dimensional integrable systems and
four--dimen\-sional self--dual Yang--Mills equations is considered. Within the
twistor description and the zero--curvature representation a method is given to
associate self--dual Yang-Mills connections with integrable systems of the
Korteweg--de Vries and ... | 1993-07-04 | 2011-07-19 | [
"hep-th",
"nlin.SI",
"solv-int"
] | Francisco Guil and Manuel Ma\~nas |
hep-th/9307020 | Scaling Self-Similar Formulation of the String Equations of the
Hermitian Matrix Model | The string equation appearing in the double scaling limit of the Hermitian
one--matrix model, which corresponds to a Galilean self--similar condition for
the KdV hierarchy, is reformulated as a scaling self--similar condition for the
Ur--KdV hierarchy. A non--scaling limit analysis of the one--matrix model has
led to t... | 1993-07-04 | 2009-10-22 | [
"hep-th",
"nlin.SI",
"solv-int"
] | Manuel Ma\~nas |
hep-th/9307025 | Euclidian 2D Gravity with Torsion | Closing a gap in the literature on the subject, the local solutions of
2D-gravity with torsion are given for Euclidian signature. For the topology of
a cylinder the system is quantized. | 1993-07-03 | 2007-05-23 | [
"hep-th"
] | P.Schaller, T.Strobl |
hep-th/9307023 | Potential Flow Of The Renormalisation Group In A Simple Two Component
Model | The renormalisation group (RG) flow on the space of couplings of a simple
model with two couplings is examined. The model considered is that of a single
component scalar field with $\phi^4$ self interaction coupled, via Yukawa
coupling, to a fermion in flat four dimensional space. The RG flow on the two
dimensional spa... | 1993-07-03 | 2015-06-26 | [
"hep-th"
] | Brian P. Dolan |
hep-th/9307024 | The Renormalisation Group Equation As An Equation For Lie Transport Of
Amplitudes | It is shown that the renormalisation group (RG) equation can be viewed as an
equation for Lie transport of physical amplitudes along the integral curves
generated by the $\beta$-functions of a quantum field theory. The anomalous
dimensions arise from Lie transport of basis vectors on the space of couplings.
The RG equa... | 1993-07-03 | 2016-09-06 | [
"hep-th"
] | Brian P. Dolan |
hep-th/9307015 | Deformation Theory of Holomorphic Vector Bundles, Extended Conformal
Symmetry and Extensions of 2D Gravity | Developing on the ideas of R. Stora and coworkers, a formulation of two
dimensional field theory endowed with extended conformal symmetry is given,
which is based on deformation theory of holomorphic and Hermitian spaces. The
geometric background consists of a vector bundle $E$ over a closed surface
$\Sigma$ endowed wi... | 1993-07-02 | 2010-04-06 | [
"hep-th"
] | Roberto Zucchini |
hep-th/9307017 | Akns Hierarchy, Self-Similarity, String Equations and the Grassmannian | In this paper the Galilean, scaling and translational self--similarity
conditions for the AKNS hierarchy are analysed geometrically in terms of the
infinite dimensional Grassmannian. The string equations found recently by
non--scaling limit analysis of the one--matrix model are shown to correspond to
the Galilean self-... | 1993-07-02 | 2009-10-22 | [
"hep-th",
"nlin.SI",
"solv-int"
] | F.Guil and M.Manas |
hep-th/9307009 | Flat structure for the simple elliptic singularity of type $\widetilde
{\bf E_6}$ and Jacobi form | In order to construct the inverse mapping of the period mapping for the
primitive form for the semi-universal deformation of a simple elliptic
singularity, K.Saito introduced in [5] the ``flat structure'' for the extended
affine root system. In section 3, we construct explicitly the flat theta
invariants in the case of... | 1993-07-02 | 2008-02-03 | [
"hep-th",
"math.QA",
"math.RT"
] | Ikuo Satake |
hep-th/9307011 | Quantum mechanics and quantum Hall effect on Riemann surfaces | The quantum mechanics of a system of charged particles interacting with a
magnetic field on Riemann surfaces is studied. We explicitly construct the wave
functions of ground states in the case of a metric proportional to the Chern
form of the $\theta$-bundle, and the wave functions of the Landau levels in the
case of t... | 1993-07-02 | 2009-10-22 | [
"hep-th",
"cond-mat"
] | R. Iengo and D. Li |
hep-th/9307018 | Generalized Reduction Procedure: Symplectic and Poisson Formalism | We present a generalized reduction procedure which encompasses the one based
on the momentum map and the projection method. By using the duality between
manifolds and ring of functions defined on them, we have cast our procedure in
an algebraic context. In this framework we give a simple example of reduction
in the non... | 1993-07-02 | 2009-10-22 | [
"hep-th"
] | J. Grabowski, G. Landi, G. Marmo and G. Vilasi |
hep-th/9307010 | Implications of Conformal Invariance in Field Theories for General
Dimensions | The requirements of conformal invariance for two and three point functions
for general dimension $d$ on flat space are investigated. A compact group
theoretic construction of the three point function for arbitrary spin fields is
presented and it is applied to various cases involving conserved vector
operators and the e... | 1993-07-02 | 2008-11-26 | [
"hep-th"
] | H. Osborn and A. Petkos |
hep-th/9307008 | Quantum affine algebras and universal R-matrix with spectral parameter,
II | This paper is an extended version of our previous short letter \cite{ZG2} and
is attempted to give a detailed account for the results presented in that
paper. Let $U_q({\cal G}^{(1)})$ be the quantized nontwisted affine Lie algebra
and $U_q({\cal G})$ be the corresponding quantum simple Lie algebra. Using the
previous ... | 1993-07-02 | 2008-02-03 | [
"hep-th",
"math.QA"
] | Yao-Zhong Zhang and Mark D. Gould |
hep-th/9307007 | Quantum Affine Algebras and Universal $R$-Matrix with Spectral Parameter | Using the previous obtained universal $R$-matrix for the quantized nontwisted
affine Lie algebras $U_q(A_1^{(1)})$ and $U_q(A_2^{(1)})$, we determine the
explicitly spectral-dependent universal $R$-matrix for the corresponding
quantum Lie algebras $U_q(A_1)$ and $U_q(A_2)$. As their applications, we
reproduce the well-... | 1993-07-02 | 2011-07-19 | [
"hep-th",
"math.QA"
] | Yao-Zhong Zhang and Mark D. Gould |
hep-th/9307019 | Quantum Mechanics as Complex Probability Theory | Realistic quantum mechanics based on complex probability theory is shown to
have a frequency interpretation, to coexist with Bell's theorem, to be linear,
to include wavefunctions which are expansions in eigenfunctions of Hermitian
operators and to describe both pure and mixed systems. Illustrative examples
are given. ... | 1993-07-02 | 2009-10-22 | [
"hep-th",
"cond-mat",
"gr-qc"
] | S. Youssef |
hep-th/9307014 | Covariant Pauli-Villars Regularization of Quantum Gravity at the One
Loop Order | We study a regularization of the Pauli-Villars kind of the one loop
gravitational divergences in any dimension. The Pauli-Villars fields are
massive particles coupled to gravity in a covariant and nonminimal way, namely
one real tensor and one complex vector. The gauge is fixed by means of the
unusual gauge-fixing that... | 1993-07-02 | 2009-10-22 | [
"hep-th"
] | Damiano Anselmi |
hep-th/9307022 | Jet Bundles in Quantum Field Theory: The BRST-BV method | The geometric interpretation of the Batalin-Vilkovisky antibracket as the
Schouten bracket of functional multivectors is examined in detail. The
identification is achieved by the process of repeated contraction of even
functional multivectors with fermionic functional 1-forms. The classical master
equation may then be ... | 1993-07-02 | 2010-04-06 | [
"hep-th"
] | Paul McCloud |
hep-th/9307012 | Some Elements of Connes' Non-Commutative Geometry, And Space-Time
Geometry | Contribution to the Proceedings in honour of C.N. Yang, editor S-T Yau. To | 1993-07-02 | 2015-03-10 | [
"hep-th"
] | A.H. Chamseddine and J. Fr\"ohlich |
hep-th/9307013 | Potentials for (p,0) and (1,1) supersymmetric sigma models with torsion | Using (1,0) superfield methods, we determine the general scalar potential
consistent with off-shell (p,0) supersymmetry and (1,1) supersymmetry in
two-dimensional non-linear sigma models with torsion. We also present an
extended superfield formulation of the (p,0) models and show how the (1,1)
models can be obtained fr... | 1993-07-02 | 2009-10-09 | [
"hep-th"
] | C.M. Hull, G. Papadopoulos and P.K. Townsend |
hep-th/9307016 | String Equations for the Unitary Matrix Model and the Periodic Flag
Manifold | The periodic flag manifold (in the Sato Grassmannian context) description of
the modified Korteweg--de Vries hierarchy is used to analyse the translational
and scaling self--similar solutions of this hierarchy. These solutions are
characterized by the string equations appearing in the double scaling limit of
the symmet... | 1993-07-02 | 2009-10-22 | [
"hep-th",
"nlin.SI",
"solv-int"
] | Manuel Manas and Partha Guha |
hep-th/9307005 | A Note on Effective String Theory | Motivated by the possibility of an effective string description for the
infrared limit of pure Yang-Mills theory, we present a toy model for an
effective theory of random surfaces propagating in a target space of $D>2$. We
show that the scaling exponents for the fixed area partition function of the
theory are apparentl... | 1993-07-01 | 2015-06-26 | [
"hep-th"
] | S. Chaudhuri and D. Minic |
hep-th/9307001 | String-Based Methods in Perturbative Gravity | String theory implies a relatively modest growth in computational complexity
for perturbative gravity calculations as compared to gauge theory calculations,
contrary to field theory expectations. An explicit string-based calculation,
which would be extremely difficult using conventional techniques, is presented
to illu... | 1993-07-01 | 2011-09-29 | [
"hep-th",
"hep-ph"
] | Z. Bern, D.C. Dunbar, and T. Shimada |
hep-th/9307002 | Review of free-fermionic 4d string models | I review the main properties of four-dimensional strings constructed with
free-fermions on the world-sheet. In particular I discuss possible model
independent low energy predictions related to the existence of states with
fractional electric charges, the computation of the string unification scale,
the string model bui... | 1993-07-01 | 2007-05-23 | [
"hep-th",
"hep-ph"
] | I. Antoniadis |
hep-th/9307006 | Bosonization of $QED_3$ with an induced Chern - Simons term | We extend the bosonization of $2+1$ - dimensional QED with one fermionic
flavor performed previously to the case of QED with an induced Chern - Simons
term. The coefficient of this term is quantized: $e^2n/8\pi$, $n\in {\bf Z}$.
The fermion operators are constructed in terms of the bosonic fields $A_i$ and
$E_i$. The c... | 1993-07-01 | 2009-10-22 | [
"hep-th"
] | A. Kovner and P. S. Kurzepa |
hep-th/9306163 | The matreoshka of supersymmetric self-dual theories | Extended super self-dual systems have a structure reminiscent of a
``matreoshka''. For instance, solutions for N=0 are embedded in solutions for
N=1, which are in turn embedded in solutions for N=2, and so on. Consequences
of this phenomenon are explored. In particular, we present an explicit
construction of local solu... | 1993-06-30 | 2009-10-22 | [
"hep-th"
] | Ch. Devchand and V. Ogievetsky |
hep-th/9306158 | D=(0|2) Dirac--Maxwell--Einstein Theory as a Way for Describing
Supersymmetric Quartions | Drawing an analogy with the Dirac theory of fermions interacting with
electromagnetic and gravitational field we write down supersymmetric equations
of motion and construct a superfield action for particles with spin 1/4 and 3/4
(quartions), where the role of quartion momentum in effective
(2+1)--dimensional space-time... | 1993-06-30 | 2008-11-26 | [
"hep-th"
] | Dmitrij P. Sorokin and Dmitrij V. Volkov |
hep-th/9306161 | Functional Schroedinger Equation for Fermions in External Gauge Fields | We discuss the functional Schroedinger picture for fermions in external
fields for both stationary and time-dependent problems. We give formal results
for the ground state and the solution of the time-dependent Schroedinger
equation for QED in arbitrary dimensions, while more explicit results are
obtained in two dimens... | 1993-06-30 | 2009-10-22 | [
"hep-th"
] | Claus Kiefer and Andreas Wipf |
hep-th/9306164 | Affine Algebras, $N{=}2$ Superconformal Algebras, and Gauged WZNW Models | We find a canonical $N{=}2$ superconformal algebra (SCA) in the BRST complex
associated to any affine Lie algebra $\hat{\mathbf{h}}$ with $\mathbf{h}$
semisimple. In contrast with the similar known results for the Virasoro,
$N{=}1$ supervirasoro, and $W_3$ algebras, this SCA does not depend on the
particular "matter" r... | 1993-06-30 | 2020-10-19 | [
"hep-th"
] | Jos\'e M. Figueroa-O'Farrill |
hep-th/9307004 | Self-Dual Spin-3 And 4 Theories | We present self-dual spin-3 and 4 actions using relevant dreibein fields.
since these actions start with a Chern-Simons like kinetic term (and therefore
cannot be obtained through dimensional reduction) one might wonder whether they
need the presence of auxiliary ghost-killings fields. It turns out that they
must conta... | 1993-06-30 | 2007-05-23 | [
"hep-th"
] | C. Aragone & A. Khoudeir |
hep-th/9306157 | Elliptic Genera and the Landau-Ginzburg Approach to N=2 Orbifolds | We compute the elliptic genera of orbifolds associated with $N=2$
super--conformal theories which admit a Landau-Ginzburg description. The
identification of the elliptic genera of the macroscopic Landau-Ginzburg
orbifolds with those of the corresponding microscopic $N=2$ orbifolds further
supports the conjectured ident... | 1993-06-30 | 2016-09-06 | [
"hep-th"
] | P. Di Francesco, O. Aharony and S. Yankielowicz |
hep-th/9306162 | Fusion rules in conformal field theory | Several aspects of fusion rings and fusion rule algebras, and of their
manifestations in twodimensional (conformal) field theory, are described:
diagonalization and the connection with modular invariance; the presentation in
terms of quotients of polynomial rings; fusion graphs; various strategies that
allow for a part... | 1993-06-30 | 2009-10-22 | [
"hep-th"
] | J. Fuchs |
hep-th/9306160 | Super Triple Systems and Applications to Para-Statistics and Yand-Baxter
Equation | We introduce the notion of ortho-symplectic super triple system, and apply it
to find solutions of super Yang-Baxter equation. Also, the para-statistics are
formulated as a Lie-super triple system. | 1993-06-30 | 2007-05-23 | [
"hep-th"
] | S. Okubo |
hep-th/9307003 | Massive Vector Chern-Simons Gravity | We present a second order gravity action which consists of ordinary Einstein
action augmented by a first-order, vector like, Chern-Simons quasi topological
term.This theory is ghost-free and propagates a pure spin-2 mode. It is
diffeomorphism invariant, although its local Lorentz invariance has been
spontaneously broke... | 1993-06-30 | 2008-11-26 | [
"hep-th"
] | C. Aragone & P.J. Arias & A. Khoudeir |
hep-th/9306156 | Recent Developments in Fractional Superstrings | Fractional superstrings experience new types of ``internal projections''
which alter or deform their underlying worldsheet conformal field theories. In
this talk I summarize some recent results concerning both the worldsheet theory
which remains after the internal projections have acted, and the spacetime
statistics pr... | 1993-06-30 | 2016-09-06 | [
"hep-th"
] | Keith R. Dienes |
hep-th/9306159 | Helicity in Classical Electrodynamics and Turbulence | For the electromagnetic fields, hydrodynamic media and turbulent flows we
consider the relationship between a topological characteristic of vector fields
known as helicity and the angular momentum of the medium, and discuss, in this
respect, the problem of helicity and angular momentum transfer from the
electromagnetic... | 1993-06-30 | 2007-05-23 | [
"hep-th"
] | Aleksej V. Chechkin, Dmitrij P. Sorokin and Vladimir V. Yanovsky |
hep-th/9306155 | Linear $r$-matrix algebra for classical separable systems | We consider a hierarchy of the natural type Hamiltonian systems of $n$
degrees of freedom with polynomial potentials separable in general ellipsoidal
and general paraboloidal coordinates. We give a Lax representation in terms of
$2\times 2$ matrices for the whole hierarchy and construct the associated
linear $r$-matrix... | 1993-06-29 | 2009-10-22 | [
"hep-th",
"nlin.SI",
"solv-int"
] | J. C. Eilbeck, V. Z. Enol'skii, Vadim B. Kuznetsov and A. V. Tsiganov |
hep-th/9306154 | Effective action in spherical domains | The effective action on an orbifolded sphere is computed for minimally
coupled scalar fields. The results are presented in terms of derivatives of
Barnes zeta-functions and it is shown how these may be evaluated. Numerical
values are shown. An analytical, heat-kernel derivation of the Ces\`aro-Fedorov
formula for the n... | 1993-06-29 | 2009-10-22 | [
"hep-th",
"alg-geom",
"math.AG"
] | J.S.Dowker |
hep-th/9306152 | Turbulence as Statistics of Vortex Cells | We develop the formulation of turbulence in terms of the functional integral
over the phase space configurations of the vortex cells. The phase space
consists of Clebsch coordinates at the surface of the vortex cells plus the
Lagrange coordinates of this surface plus the conformal metric. Using the
Hamiltonian dynamics... | 1993-06-29 | 2008-02-03 | [
"hep-th",
"cond-mat",
"hep-lat"
] | A.A.Migdal |
hep-th/9306153 | 2D Gravity and Random Matrices | We review recent progress in 2D gravity coupled to $d<1$ conformal matter,
based on a representation of discrete gravity in terms of random matrices. We
discuss the saddle point approximation for these models, including a class of
related $O(n)$ matrix models. For $d<1$ matter, the matrix problem can be
completely solv... | 1993-06-29 | 2010-11-01 | [
"hep-th"
] | P. Di Francesco, P. Ginsparg, and J. Zinn-Justin |
hep-th/9306151 | Gauging of T-Duality Invariant Worldsheet String Actions | T-Duality invariant worldsheet string actions, recently written down by
Schwarz and Sen, are coupled to the worldsheet gauge fields. It is shown that
the integration of the dual coordinates gives the conventional, vector, axial
and chiral, gauged string actions for the appropriate choice of the gauged
isometries. Alter... | 1993-06-28 | 2009-10-22 | [
"hep-th"
] | Alok Kumar |
hep-th/9306149 | Finite-dimensional representations of the quantum superalgebra
$U_q[gl(n/m)]$ and related q-identities | Explicit expressions for the generators of the quantum superalgebra
$U_q[gl(n/m)]$ acting on a class of irreducible representations are given. The
class under consideration consists of all essentially typical representations:
for these a Gel'fand-Zetlin basis is known. The verification of the quantum
superalgebra relat... | 1993-06-28 | 2009-10-22 | [
"hep-th",
"math.QA"
] | T. D. Palev, N. I. Stoilova and J. Van der Jeugt |
hep-th/9306148 | Thermal Green's Functions from Quantum Mechanical Path Integrals II:
Inclusion of Fermions | In a previous paper we have shown how, for bosonic fields, the generating
functional in both relativistic quantum field theory and thermal field theory
can be evaluated by use of a standard quantum mechanical path integral. In this
paper we extend this method to include fermionic fields. A particular problem
is posed b... | 1993-06-28 | 2009-10-22 | [
"hep-th",
"hep-ph"
] | D G C McKeon and a K Rebhan |
hep-th/9306144 | Quantum Mechanics on Manifolds | A definition of quantum mechanics on a manifold $ M $ is proposed and a
method to realize the definition is presented. This scheme is applicable to a
homogeneous space $ M = G / H $. The realization is a unitary representation of
the transformation group $ G $ on the space of vector bundle-valued functions.
When $ H \n... | 1993-06-28 | 2007-05-23 | [
"hep-th"
] | Shogo Tanimura |
hep-th/9306147 | Simplifications in Lagrangian BV quantization exemplified by the
anomalies of chiral $W_3$ gravity | The Batalin--Vilkovisky (BV) formalism is a useful framework to study gauge
theories. We summarize a simple procedure to find a a gauge--fixed action in
this language and a way to obtain one--loop anomalies. Calculations involving
the antifields can be greatly simplified by using a theorem on the antibracket
cohomology... | 1993-06-28 | 2016-09-06 | [
"hep-th"
] | S. Vandoren and A. Van Proeyen |
hep-th/9306150 | Uniformization theory and 2D gravity I. Liouville action and
intersection numbers | This is the first part of an investigation concerning the formulation of 2D
gravity in the framework of the uniformization theory of Riemann surfaces. As a
first step in this direction we show that the classical Liouville action
appears in the expression of the correlators of topological gravity. Next we
derive an ineq... | 1993-06-28 | 2009-10-22 | [
"hep-th",
"alg-geom",
"gr-qc",
"math.AG"
] | M. Matone |
hep-th/9306145 | Simple currents versus orbifolds with discrete torsion -- a complete
classification | We give a complete classification of all simple current modular invariants,
extending previous results for $(\Zbf_p)^k$ to arbitrary centers. We obtain a
simple explicit formula for the most general case. Using orbifold techniques to
this end, we find a one-to-one correspondence between simple current invariants
and su... | 1993-06-28 | 2016-09-06 | [
"hep-th"
] | M. Kreuzer and A. N. Schellekens |
hep-th/9306146 | Thermodynamics and Form Factors of Supersymmetric Integrable Field
Theories | We study on-shell and off-shell properties of the supersymmetric sinh-Gordon
and perturbed SUSY Yang-Lee models using the thermodynamic Bethe ansatz and
form factors. Identifying the supersymmetric models with the Eight Vertex Free
Fermion Model, we derive inversion relation for inhomogeneous transfer matrix
and TBA eq... | 1993-06-28 | 2009-10-22 | [
"hep-th"
] | Changrim Ahn |
hep-th/9306133 | Regularization of current algebra | In this talk I want to explain the operator substractions needed to
regularize gauge currents in a second quantized theory. The case of space-time
dimension $3+1$ is considered in detail. In presence of chiral fermions the
regularization effects a modification of the local commutation relations of the
currents by local... | 1993-06-27 | 2007-05-23 | [
"hep-th"
] | Jouko Mickelsson |
hep-th/9306143 | Graph IRF Models and Fusion Rings | Recently, a class of interaction round the face (IRF) solvable lattice models
were introduced, based on any rational conformal field theory (RCFT). We
investigate here the connection between the general solvable IRF models and the
fusion ones. To this end, we introduce an associative algebra associated to any
graph, as... | 1993-06-27 | 2008-02-03 | [
"hep-th",
"alg-geom",
"math.QA"
] | Doron Gepner (Caltech and Weizmann) |
hep-th/9306141 | States and quantum effects in the collective field theory of a deformed
matrix model | We derive an equation which gives the tree-level scattering amplitudes for
tachyons in the black hole background using the exact states of the collective
field hamiltonian corresponding to a deformed matrix model recently proposed by
Jevicki and Yoneya. Using directly the symmetry algebra we obtain explicit
expression ... | 1993-06-27 | 2009-10-22 | [
"hep-th"
] | Kresimir Demeterfi and Joao P. Rodrigues |
hep-th/9306142 | The Canonical Symmetry and Hamiltonian Formalism. II. Hamiltonian
Operators | It is shown how the canonical symmetry is used to look for the hierarchy of
the Hamiltonian operators relevant to the system under consideration. It
appears that only the invariance condition can be used to solve the problem. | 1993-06-27 | 2007-05-23 | [
"hep-th"
] | A. N. Leznov and A. V. Razumov |
hep-th/9306139 | Solutions to Knizhnik-Zamolodchikov equations with coefficients in
non-bounded modules | We explicitly write dowm integral formulas for solutions to
Knizhnik-Zamolodchikov equations with coefficients in non-bounded -- neither
highest nor lowest weight -- $\gtsl_{n+1}$-modules. The formulas are closely
related to WZNW model at a rational level. | 1993-06-26 | 2011-07-19 | [
"hep-th",
"math.QA"
] | Kenji Iohara, Feodor Malikov |
hep-th/9306140 | $N=2$ Super-Weyl Symmetry, Super-Liouville Theory and Super-Riemannian
Surfaces | The finite form of the $N=2$ super-Weyl transformations in the chiral and
twisted-chiral irreducible formulations of the two-dimensional $N=2$ superfield
supergravity are found in $N=2$ superspace. The super-Weyl anomaly of the $N=2$
extended fermionic string theory is computed in terms of the $N=2$ superfields,
by usi... | 1993-06-26 | 2010-04-06 | [
"hep-th"
] | Sergei V. Ketov and Sven-Olaf Moch |
hep-th/9306137 | Integral Intertwining Operators and Complex Powers of Differential
($q-$Difference) Operators | We study a family of modules over Kac-Moody algebras realized in multi-valued
functions on a flag manifold and find integral representations for intertwining
operators acting on these modules. These intertwiners are related to some
expressions involving complex powers of Lie algebra generators.
When applied to affine... | 1993-06-26 | 2008-02-03 | [
"hep-th",
"math.QA"
] | Boris Feigin and Feodor Malikov |
hep-th/9306138 | Rings of skew polynomials and Gel'fand-Kirillov conjecture for quantum
groups | We introduce and study action of quantum groups on skew polynomial rings and
related rings of quotients. This leads to a ``q-deformation'' of the
Gel'fand-Kirillov conjecture which we partially prove. We propose a
construction of automorphisms of certain non-commutaive rings of quotients
coming from complex powers of q... | 1993-06-26 | 2011-07-19 | [
"hep-th",
"math.QA"
] | Kenji Iohara and Feodor Malikov |
hep-th/9306134 | $W_3$ strings, parafermions and the Ising model | We show that any covariant scattering amplitude of the $W_3$ string will
contain, as part of its integrand, a factor that obeys the differential
equations satisfied by an Ising model correlation function. This factor can
thus be identified with such a correlation function, in agreement with a
previous result of the aut... | 1993-06-25 | 2009-10-22 | [
"hep-th"
] | M. Freeman and P. West |
hep-th/9306130 | Moduli Space of Topological 2-form Gravity | We propose a topological version of four-dimensional (Euclidean) Einstein
gravity, in which anti-self-dual 2-forms and an SU(2) connection are used as
fundamental fields. The theory describes the moduli space of conformally
self-dual Einstein manifolds. In the presence of a cosmological constant, we
evaluate the index ... | 1993-06-25 | 2009-10-22 | [
"hep-th"
] | Mitsuko Abe, A. Nakamichi and T. Ueno |
hep-th/9306132 | A New Symmetry for QED | We demonstrate that QED exhibits a previously unobserved symmetry. Some
consequences are discussed. | 1993-06-25 | 2009-10-22 | [
"hep-th"
] | Martin Lavelle and David McMullan |
hep-th/9306136 | Subdivision Analysis of Topological $Z_{p}$ Lattice Gauge Theory | We analyze the subdivision properties of certain lattice gauge theories for
the discrete abelian groups $Z_{p}$, in four dimensions. In these particular
models we show that the Boltzmann weights are invariant under all $(k,l)$
subdivision moves, when the coupling scale is a $p$th root of unity. For the
case of manifold... | 1993-06-25 | 2007-05-23 | [
"hep-th",
"hep-lat"
] | D. Birmingham and M. Rakowski |
hep-th/9306135 | Regularisation of non-local actions in two-dimensional field theories | Taking the induced action for gauge fields coupled to affine currents as an
example, we show how loop calculations in non-local two-dimensional field
theories can be regulated. Our regularisation method for one loop is based on
the method of Pauli and Villars. We use it to calculate the renormalisation
factors for the ... | 1993-06-25 | 2009-10-22 | [
"hep-th"
] | A. Sevrin, R. Siebelink and W. Troost |
hep-th/9306127 | Isospectral Flow and Liouville-Arnold Integration in Loop Algebras | A number of examples of Hamiltonian systems that are integrable by classical
means are cast within the framework of isospectral flows in loop algebras.
These include: the Neumann oscillator, the cubically nonlinear Schr\"odinger
systems and the sine-Gordon equation. Each system has an associated invariant
spectral curv... | 1993-06-25 | 2015-06-26 | [
"hep-th",
"nlin.SI",
"solv-int"
] | John Harnad |
hep-th/9306131 | On the Physical Propagators of QED | The true variables in QED are the transverse photon components and Dirac's
physical electron, constructed out of the fermionic field and the longitudinal
components of the photon. We calculate the propagators in terms of these
variables to one loop and demonstrate their gauge invariance. The physical
electron propagato... | 1993-06-25 | 2009-10-22 | [
"hep-th",
"hep-ph"
] | Martin Lavelle and David McMullan |
hep-th/9306129 | Factoring out free fields | For a generic $\Ww$ algebra, we give an algorithmic procedure for factoring
out all fields of dimension $1/2$, both bosonic and fermionic, and some fields
of dimension $1$. This generalizes and makes more explicit the
Goddard-Schwimmer theorem for free fermions. We also show how the induced
gravity theory for the origi... | 1993-06-25 | 2008-02-03 | [
"hep-th"
] | A. Deckmyn and K. Thielemans |
hep-th/9306126 | $SL(n,R)$ KDV Hierarchy and its Nonpolynomial Realization Through
Kac-Moody Currents | It is shown that $SL(n,R)$ KdV hierarchy can be expressed as definite
nonpolynomials in Kac Moody currents and their derivatives by the action of
Borel subgroup of $SL(n,R)$ on the phase space of centrally extended $sl(n,R)$
Kac Moody currents. Construction of Lax pair is shown, confirming Drinfeld
Sokolov type Hamilto... | 1993-06-24 | 2007-05-23 | [
"hep-th"
] | Sasanka Ghosh and Samir K. Paul |
hep-th/9306125 | Five-Brane Effective Field Theory on Calabi-Yau Threefolds | We consider the compactification of the dual form of $N=1$ $D=10$
supergravity on a six-dimensional Calabi-Yau manifold. An $N=1$ off-shell
supergravity effective Lagrangian in four dimensions can be constructed in a
dual version of the gravitational sector (new-minimal supergravity form).
Superspace duality has a simp... | 1993-06-24 | 2010-04-06 | [
"hep-th"
] | R. D'Auria, S. Ferrara and M. Villasante |
hep-th/9306123 | Mellin-Barnes Representation for the Genus-g Finite Temperature String
Theory | The Mellin-Barnes representation for the free energy of the genus-$g$ string
is constructed. It is shown that the interactions of the open bosonic string do
not modify the critical (Hagedorn) temperature. However,for the sectors having
a spinor structure, the critical temperature exists also for all $g$ and
depends on ... | 1993-06-23 | 2019-08-17 | [
"hep-th"
] | A.A. Bytsenko, E. Elizalde, S.D. Odintsov, S. Zerbini |
hep-th/9306122 | Quantum Background Independence In String Theory | Not only in physical string theories, but also in some highly simplified
situations, background independence has been difficult to understand. It is
argued that the ``holomorphic anomaly'' of Bershadsky, Cecotti, Ooguri, and
Vafa gives a fundamental explanation of some of the problems. Moreover, their
anomaly equation ... | 1993-06-23 | 2007-05-23 | [
"hep-th"
] | Edward Witten |
hep-th/9306121 | Exact Solution for the Most General Minimally Coupled One Dimensional
Lattice Gauge Theory | We consider one dimensional lattice gauge theories constructed by the minimal
coupling prescription. It is shown that these theories are exactly solvable in
the thermodynamic limit. After considering the most general case, we discuss
some special cases on finite lattices, and also work out some examples. There
is no ph... | 1993-06-23 | 2009-10-22 | [
"hep-th"
] | M. Khorrami |
hep-th/9306124 | Exact Dynamics of Quantum Dissipative System in Constant External Field | The quantum dynamics of a simplest dissipative system, a particle moving in a
constant external field , is exactly studied by taking into account its
interaction with a bath of Ohmic spectral density. We apply the main idea and
methods developed in our recent work [1] to quantum dissipative system with
constant externa... | 1993-06-23 | 2019-08-17 | [
"hep-th"
] | Sun, C.P and L.H.Yu |
hep-th/9306117 | Differential Regularization of a Non-relativistic Anyon Model | Differential regularization is applied to a field theory of a
non-relativistic charged boson field $\phi$ with $\lambda (\phi {}^{*} \phi)^2$
self-interaction and coupling to a statistics-changing $U(1)$ Chern-Simons
gauge field. Renormalized configuration-space amplitudes for all diagrams
contributing to the $\phi {}^... | 1993-06-22 | 2009-10-08 | [
"hep-th"
] | D. Z. Freedman, G. Lozano and N. Rius |
hep-th/9306115 | Does noncommutative geometry predict nonlinear Higgs mechanism? | It is argued that the noncommutative geometry construction of the standard
model predicts a nonlinear symmetry breaking mechanism rather than the orthodox
Higgs mechanism. Such models have experimentally verifiable consequences. | 1993-06-22 | 2009-10-22 | [
"hep-th",
"hep-ph"
] | Jan Sladkowski |
hep-th/9306112 | Integrable extensions of the rational and trigonometric $A_N$ Calogero
Moser potentials | We describe the $R$-matrix structure associated with integrable extensions,
containing both one-body and two-body potentials, of the $A_N$ Calogero-Moser
$N$-body systems. We construct non-linear, finite dimensional Poisson algebras
of observables. Their $N
\rightarrow \infty$ limit realize the infinite Lie algebras ... | 1993-06-22 | 2009-10-22 | [
"hep-th"
] | Jean Avan |
hep-th/9306119 | Connection on the theory space | By studying the geometric properties of correlation functions on the theory
space, we are naturally led to a connection for the infinite dimensional vector
bundle of composite fields over the theory space. We show how the short
distance singularities of the theory are determined by the geometry of the
theory space, i.e... | 1993-06-22 | 2008-02-03 | [
"hep-th"
] | Hidenori Sonoda |
hep-th/9306120 | Embedded Defects | We give a prescription for embedding classical solutions and, in particular,
topological defects in field theories which are invariant under symmetry groups
that are not necessarily simple. After providing examples of embedded defects
in field theories based on simple groups, we consider the electroweak model and
show ... | 1993-06-22 | 2010-11-01 | [
"hep-th"
] | Manuel Barriola, Tanmay Vachaspati and Martin Bucher |
hep-th/9306114 | Field-enlarging transformations and chiral theories | A field-enlarging transformation in the chiral electrodynamics is performed.
This introduces an additional gauge symmetry to the model that is unitary and
anomaly-free and allows for comparison of different models discussed in the
literature. The problem of superfluous degrees of freedom and their influence
on quantiza... | 1993-06-22 | 2015-06-26 | [
"hep-th",
"hep-ph"
] | Jan Sladkowski |
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