منابع مشابه
Quantum Corner - Transfer Matrix Dmrg
We propose a new method for the calculation of thermodynamic properties of onedimensional quantum systems by combining the TMRG approach with the corner transfer-matrix method. The corner transfer-matrix DMRG method brings reasonable advantage over TMRG for classical systems. We have modified the concept for the calculation of thermal properties of one-dimensional quantum systems. The novel QCT...
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We present a “natural finitization” of the fermionic q-series (certain generalizations of the Rogers-Ramanujan sums) which were recently conjectured to be equal to Virasoro characters of the unitary minimal conformal field theory (CFT) M(p, p+ 1). Within the quasi-particle interpretation of the fermionic q-series this finitization amounts to introducing an ultraviolet cutoff, which – contrary t...
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The eigenvalues of the Corner Transfer Matrix Hamiltonian associated to the el-liptic R matrix of the eight vertex free fermion model are computed in the anisotropic case for magnetic eld smaller than the critical value. An argument based on generating functions is given, and the results are checked numerically. The spectrum consists of equally spaced levels.
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We propose a new fast numerical renormalization group method, the corner transfer matrix renormalization group (CTMRG) method, which is based on a unified scheme of Baxter's corner transfer matrix method and White's density matrix renormalization group method. The key point is that a product of four corner transfer matrices coincides with the density matrix. We formulate the CTMRG method as a r...
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Michael P. Zaletel,1 Roger S. K. Mong,2 Frank Pollmann,3 and Edward H. Rezayi4 Department of Physics, University of California, Berkeley, California 94720, USA Walter Burke Institute for Theoretical Physics and Institute for Quantum Information and Matter, California Institute of Technology, Pasadena, California 91125, USA Max-Planck-Institut für Physik komplexer Systeme, 01187 Dresden, Germany...
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ژورنال
عنوان ژورنال: International Journal of Modern Physics C
سال: 2008
ISSN: 0129-1831,1793-6586
DOI: 10.1142/s012918310801290x