English
Related papers

Related papers: Character States and Generator Matrix Elements for…

200 papers

We study the algebra of invariant representative functions over the N-fold Cartesian product of copies of a compact Lie group G modulo the action of conjugation by the diagonal subgroup. We construct a basis of invariant representative…

Mathematical Physics · Physics 2021-04-07 P. D. Jarvis , G. Rudolph , M. Schmidt

In the first paper of this series, we gave infinite families of coloured partition identities which generalise Primc's and Capparelli's classical identities. In this second paper, we study the representation theoretic consequences of our…

Quantum Algebra · Mathematics 2020-07-10 Jehanne Dousse , Isaac Konan

As shown by Bonnaf\'e, a step in proving a Jordan decomposition of characters of finite special linear groups is the parametrization of unipotent characters of centralizers of semi-simple elements in projective linear groups. We show the…

Representation Theory · Mathematics 2011-12-30 Marc Cabanes

A general quantum search algorithm with arbitrary unitary transformations and an arbitrary initial state is considered in this work. To serach a marked state with certainty, we have derived, using an SU(2) representation: (1) the matching…

Quantum Physics · Physics 2009-11-07 Jin-Yuan Hsieh , Che-Ming Li

One of spectacular results in mathematical physics is the expression of Racah matrices for symmetric representations of the quantum group $SU_q(2)$ through the Askey-Wilson polynomials, associated with the $q$-hypergeometric functions…

High Energy Physics - Theory · Physics 2018-02-13 A. Morozov

Stochastic finite-state generators are compressed descriptions of infinite time series. Alternatively, compressed descriptions are given by quantum finite- state generators [K. Wiesner and J. P. Crutchfield, Physica D 237, 1173 (2008)].…

Quantum Physics · Physics 2012-08-31 Alex Monras , Almut Beige , Karoline Wiesner

In this note we illustrate by a few examples the general principle: interesting algebras and representations defined over Z_+ come from category theory, and are best understood when their categorical origination has been discovered. We show…

High Energy Physics - Theory · Physics 2008-02-03 Pavel Etingof , Mikhail Khovanov

We construct the system of generalized coherent states for the quantum Kepler problem corresponds to the homogeneous domain $SU(2,2)/S(U(2)\times U(2))$. We show that the SU(2,2)-equivariant momentum map for this domain yields the momentum…

Mathematical Physics · Physics 2007-08-20 S. A. Pol'shin

Ground-state energies are investigated in a many-quark model with pairing interactions, which has the su(4)-algebraic structure. Exact eigenstates in the boson realization method are constructed by imposing a color-singlet condition…

Nuclear Theory · Physics 2011-09-03 Y. Tsue , C. Providencia , J. da Providencia , M. Yamamura

Let $G$ be a split group of type $F_4$ defined over a number field. We study the square-integrable automorphic representations of $G$ that can be realized as leading terms of degenerate Eisenstein series associated to various maximal…

Number Theory · Mathematics 2022-05-13 Hezi Halawi

Let $\mathfrak{o}_l$ be a finite principal ideal local ring of length $l$. The degenerate Whittaker space associated with a representation of ${\rm GL}_{2n}(\mathfrak{o}_l)$ is a representation of ${\rm GL}_n(\mathfrak{o}_l)$. For strongly…

Representation Theory · Mathematics 2025-08-15 Ankita Parashar , Shiv Prakash Patel

We study the discrete state structure of $\hat c=1$ superconformal matter coupled to 2-D supergravity. Factorization properties of scattering amplitudes are used to identify these states and to construct the corresponding vertex operators.…

High Energy Physics - Theory · Physics 2015-06-26 G. Aldazabal , M. Bonini , J. M. Maldacena

Parametrization of qutrits on the complex projective plane CP^2 = SU(3)/U(2) is given explicitly. A set of constraints that characterize mixed state density matrices is found.

Quantum Physics · Physics 2009-11-11 A. T. Bolukbasi , T. Dereli

P-representability is a necessary and sufficient condition for separability of bipartite Gaussian states only for the special subset of states whose covariance matrix are $Sp(2,R)\otimes Sp(2,R)$ locally invariant. Although this special…

Quantum Physics · Physics 2009-11-10 M. C. de Oliveira

Infinitesimal holomorphic realizations for the Schr\"{o}dinger-Weil representation and the discrete series representations of the Jacobi group are constructed. Explicit expressions of the basic differential operators are obtained. The…

Differential Geometry · Mathematics 2008-12-03 S. Berceanu , A. Gheorghe

The ground state degeneracy of an $SU(N)_k$ topological phase with $n$ quasiparticle excitations is relevant quantity for quantum computation, condensed matter physics, and knot theory. It is an open question to find a closed formula for…

Combinatorics · Mathematics 2010-09-02 Stephen P. Jordan , Toufik Mansour , Simone Severini

We construct a special principal series representation for the modular double $U_{q\tilde{q}}(g_R)$ of type $A_r$ representing the generators by positive essentially self-adjoint operators satisfying the transcendental relations that also…

Representation Theory · Mathematics 2011-11-07 Igor B. Frenkel , Ivan C. H. Ip

Entangled SU(2) and SU(1,1) coherent states are developed as superpositions of multiparticle SU(2) and SU(1,1) coherent states. In certain cases, these are coherent states with respect to generalized su(2) and su(1,1) generators, and…

Quantum Physics · Physics 2009-11-06 Xiao-Guang Wang , Barry C. Sanders , Shao-hua Pan

Coherent state operators (CSO) are defined as operator valued functions on G=SL(n,C), homogeneous with respect to right multiplication by lower triangular matrices. They act on a model space containing all holomorphic finite dimensional…

High Energy Physics - Theory · Physics 2009-10-28 H. Sazdjian , Y. S. Stanev , I. T. Todorov

Matrix Product States can be defined as the family of quantum states that can be sequentially generated in a one-dimensional system. We introduce a new family of states which extends this definition to two dimensions. Like in Matrix Product…