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179 papers
Unconventional spin transport in strongly correlated kagome systems
Masataka Kawano, Frank Pollmann, Michael Knap
Recent progress in material design enables the study of correlated, low-temperature phases and associated anomalous transport in two-dimensional kagome systems. Here, we show that…
Spin-Peierls instability of the U(1) Dirac spin liquid
Urban F. P. Seifert, Josef Willsher, Markus Drescher +2
A complicating factor in the realization and observation of quantum spin liquids in materials is the ubiquitous presence of other degrees of freedom, in particular lattice distorti…
Distributive Pre-Training of Generative Modeling Using Matrix-Product States
Sheng-Hsuan Lin, Olivier Kuijpers, Sebastian Peterhansl +1
Tensor networks have recently found applications in machine learning for both supervised learning and unsupervised learning. The most common approaches for training these models ar…
Shedding Light on Microscopic Details: 2D Spectroscopy of 1D Quantum Ising Magnets
GiBaik Sim, Frank Pollmann, Johannes Knolle
The identification of microscopic models describing the low-energy properties of correlated materials has been a central goal of spectroscopic measurements. We demonstrate how 2D n…
Hilbert Space Fragmentation in Open Quantum Systems
Yahui Li, Pablo Sala, Frank Pollmann
We investigate the phenomenon of Hilbert space fragmentation (HSF) in open quantum systems and find that it can stabilize highly entangled steady states. For concreteness, we consi…
Quantum phase transition between symmetry enriched topological phases in tensor-network states
Lukas Haller, Wen-Tao Xu, Yu-Jie Liu +1
Quantum phase transitions between different topologically ordered phases exhibit rich structures and are generically challenging to study in microscopic lattice models. In this wor…