Results 61 to 70 of about 1,129,252 (322)
Gaussian Matrix Product States
, 2008 This work originally appeared as Sec. VII of quant-ph/0509166, and is published in the Proceedings on the conference on Quantum information and many body quantum systems, edited by M. Ericsson and S. Montangero, pg. 129 (Edizioni della Normale, Pisa, 2008)
Schuch, N., Cirac, J., Wolf, M.
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Matrix-Product Operators and States: NP-Hardness and Undecidability [PDF]
Physical Review Letters, 2014 7 pages, 2 figures; published version with improved ...
Kliesch, M., Gross, David, Eisert, Jens
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Matrix product state representation of non-Abelian quasiholes
, 2015 International audienceWe provide a detailed explanation of the formalism necessary to construct matrix product states for non-Abelian quasiholes in fractional quantum Hall model states.
Estienne, B. +3 more
core +2 more sources
Imaginary-time matrix product state impurity solver in a real material calculation: Spin-orbit coupling in Sr2RuO4 [PDF]
Physical review B, 2019 Using an imaginary-time matrix-product state (MPS) based quantum impurity solver we perform a realistic dynamical mean-field theory (DMFT) calculation combined with density functional theory (DFT) for Sr2RuO4.
Nils-Oliver Linden +4 more
semanticscholar +1 more source
Imaginary-Time Matrix Product State Impurity Solver for Dynamical Mean-Field Theory
Physical Review X, 2015 We present a new impurity solver for dynamical mean-field theory based on imaginary-time evolution of matrix product states. This converges the self-consistency loop on the imaginary-frequency axis and obtains real-frequency information in a final real ...
F. Alexander Wolf +4 more
doaj +1 more source
Physical Review Research, 2023 The electron-phonon (e-ph) coupling system often has a large number of phonon degrees of freedom, whose spectral functions are numerically difficult to compute using matrix product state (MPS) formalisms.
Pei-Yuan Zhao, Ke Ding, Shuo Yang
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Matrix product state description and gaplessness of the Haldane-Rezayi state [PDF]
Physical review B, 2019 We derive an exact matrix product state representation of the Haldane-Rezayi state on both the cylinder and torus geometry. Our derivation is based on the description of the Haldane-Rezayi state as a correlator in a non-unitary logarithmic conformal ...
V. Cr'epel, N. Regnault, B. Estienne
semanticscholar +1 more source
Matrix product state algorithms for Gaussian fermionic states [PDF]
Physical review B, 2019 While general quantum many-body systems require exponential resources to be simulated on a classical computer, systems of non-interacting fermions can be simulated exactly using polynomially scaling resources. Such systems may be of interest in their own
N. Schuch, B. Bauer
semanticscholar +1 more source
Matrix Product States for Gauge Field Theories [PDF]
Physical Review Letters, 2014 The matrix product state formalism is used to simulate Hamiltonian lattice gauge theories. To this end, we define matrix product state manifolds which are manifestly gauge invariant. As an application, we study 1+1 dimensional one flavour quantum electrodynamics, also known as the massive Schwinger model, and are able to determine very accurately the ...
Boye Buyens +4 more
openaire +3 more sources
Boundary state bootstrap and asymptotic overlaps in AdS/dCFT
Journal of High Energy Physics, 2021 We formulate and close the boundary state bootstrap for factorizing K-matrices in AdS/CFT. We found that there are no boundary degrees of freedom in the boundary bound states, merely the boundary parameters are shifted.
Tamas Gombor, Zoltan Bajnok
doaj +1 more source