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Related papers: Quantum spectral curve for (q,t)-matrix model

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We use mirror symmetry, quantum geometry and modularity properties of elliptic curves to calculate the refined free energies in the Nekrasov-Shatashvili limit on non-compact toric Calabi-Yau manifolds, based on del Pezzo surfaces. Quantum…

High Energy Physics - Theory · Physics 2015-06-18 Min-xin Huang , Albrecht Klemm , Jonas Reuter , Marc Schiereck

This paper continues the previous work (Quantum Inf. Process (2019)) by two authors of the present paper about a spectral mapping property of chiral symmetric unitary operators. In physics, they treat non-unitary time-evolution operators to…

Mathematical Physics · Physics 2022-09-28 Keisuke Asahara , Daiju Funakawa , Etsuo Segawa , Akito Suzuki , Noriaki Teranishi

We show that the double quantization of Seiberg-Witten spectral curve for $\Gamma$-quiver gauge theory defines the generating current of W$(\Gamma)$-algebra in the free field realization. We also show that the partition function is given as…

High Energy Physics - Theory · Physics 2018-11-20 Taro Kimura

In this article we use the philosophy in [OS22] to construct the quantum difference equation of affine type $A$ quiver varieties in terms of the quantum toroidal algebra $U_{q,t}(\hat{\hat{\mathfrak{sl}}}_{r})$. In the construction, and we…

Representation Theory · Mathematics 2024-11-14 Tianqing Zhu

The classical spectral curve for the worldsheet theory of the AdS_5 x S^5 lambda superstring is constructed. The lambda string is interpreted as a regularized, non-abelian T dual of the AdS_5 x S^5 superstring with respect to full…

High Energy Physics - Theory · Physics 2020-05-20 Timothy J. Hollowood , J. Luis Miramontes , Dafydd Price

The transfer-matrix eigenvalues of the isotropic open Heisenberg quantum spin-1/2 chain with non-diagonal boundary magnetic fields are known to satisfy a TQ-equation with an inhomogeneous term. We derive here a discrete Wronskian-type…

Mathematical Physics · Physics 2020-10-28 Rafael I. Nepomechie

In this work we study the quantisation of the Seiberg-Witten curve for the E-string theory compactified on a two-torus. We find that the resulting operator expression belongs to the class of elliptic quantum curves. It can be rephrased as…

High Energy Physics - Theory · Physics 2021-11-11 Jin Chen , Babak Haghighat , Hee-Cheol Kim , Marcus Sperling , Xin Wang

We propose a new approach for modeling the quantum ring single particle energy spectrum. The approach is based on separation of variables in the Schr\"odinger equation in oblate spheroidal coordinates. We consider a model of a spheroidal…

Mesoscale and Nanoscale Physics · Physics 2015-09-17 V. A. Roudnev A. M. Puchkov , A. V. Kozhedub

We introduce a new framework that yields spectral bounds on norms of functions of transition maps for finite, homogeneous Markov chains. The techniques employed work for bounded semigroups, in particular for classical as well as for quantum…

Mathematical Physics · Physics 2015-03-16 Oleg Szehr , David Reeb , Michael M. Wolf

We consider quantum-mechanical path integrals for non-linear sigma models on a circle defined by the string-inspired method of Strassler, where one considers periodic quantum fluctuations about a center-of-mass coordinate. In this approach…

High Energy Physics - Theory · Physics 2009-10-31 K. Schalm , P. van Nieuwenhuizen

We apply the Sklyanin method of separation of variables to the reflection algebra underlying the open spin-1/2 XXX chain with non-diagonal boundary fields. The spectral problem can be formulated in terms of a TQ-equation which leads to the…

High Energy Physics - Theory · Physics 2008-11-26 H. Frahm , A. Seel , T. Wirth

We consider the inverse scattering on the quantum graph associated with the hexagonal lattice. Assuming that the potentials on the edges are compactly supported, we show that the S-matrix for all energies in any open set in the continuous…

Mathematical Physics · Physics 2021-01-28 Kazunori Ando , Hiroshi Isozaki , Evgeny Korotyaev , Hisashi Morioka

We investigate the spectrum of the generator induced on the space of Hilbert-Schmidt operators by a Gaussian quantum Markov semigroup with a faithful normal invariant state in the general case, without any symmetry or quantum detailed…

Functional Analysis · Mathematics 2025-04-17 Franco Fagnola , Zheng Li

We recognize quantum circuit model of computation as factorisable scattering model and propose that a quantum computer is associated with a quantum many-body system solved by the Bethe ansatz. As an typical example to support our…

General Physics · Physics 2012-04-10 Yong Zhang

We consider the XXX spin-$\frac{1}{2}$ Heisenberg chain on the circle with an arbitrary twist. We characterize its spectral problem using the modified algebraic Bethe anstaz and study the scalar product between the Bethe vector and its…

Mathematical Physics · Physics 2015-12-07 Samuel Belliard , Rodrigo A. Pimenta

Integrable open quantum spin-chain transfer matrices constructed from trigonometric R-matrices associated to affine Lie algebras $\hat g$, and from certain K-matrices (reflection matrices) depending on a discrete parameter p, were recently…

High Energy Physics - Theory · Physics 2018-12-26 Rafael I. Nepomechie , Ana L. Retore

We construct the spectral curve of gamma-deformed AdS/CFT from the strong coupling scaling limit of the T-system. As we interpret the twisted T-functions in the classical limit as characters of the highest weight representations of the…

High Energy Physics - Theory · Physics 2014-09-22 Minkyoo Kim

A quantum solvable algebra is an iterated $q$-skew extension of a commutative algebra. We get finite statification of prime spectrum for quantum solvable algebras obeying some natural conditions. We prove that for any prime ideal $I$ the…

Quantum Algebra · Mathematics 2007-05-23 A. N. Panov

A~dynamical justification of quantum differential cross section in the context of long time transition to stationary regime for the Schr\"odinger equation is suggested. The problem has been stated by Reed and Simon. Our approach is based on…

Mathematical Physics · Physics 2014-09-09 Alexander Komech

We give a proof of the Nekrasov-type formula proposed by one of the authors for the Seiberg-Witten prepotential for the E-string theory on R^4 x T^2. We take the thermodynamic limit of the Nekrasov-type formula following the example of…

High Energy Physics - Theory · Physics 2014-02-21 Takenori Ishii , Kazuhiro Sakai