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- W4313304636 abstract "The density matrix renormalization group (DMRG) is a celebrated tensor network algorithm, which computes the ground states of one-dimensional quantum many-body systems very efficiently. Here we propose an improved formulation of continuous tensor network algorithms, which we name a matrix product renormalization group (MPRG). MPRG is a universal quantum many-body solver, which potentially works at both zero and finite temperatures, in two and higher dimensions, and is even applicable to open quantum systems. Furthermore, MPRG does not rely on any variational principles and thus supports any kind of non-Hermitian systems in any dimension. As a demonstration, we present critical properties of the Yang-Lee edge singularity in one dimension as a representative non-Hermitian system." @default.
- W4313304636 created "2023-01-06" @default.
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- W4313304636 date "2022-12-26" @default.
- W4313304636 modified "2023-09-23" @default.
- W4313304636 title "Matrix Product Renormalization Group: Potential Universal Quantum Many-Body Solver" @default.
- W4313304636 doi "https://doi.org/10.48550/arxiv.2212.13267" @default.
- W4313304636 hasPublicationYear "2022" @default.
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