Zobrazeno 1 - 6
of 6
pro vyhledávání: '"Nils Niggemann"'
Autor:
Dominik Kiese, Francesco Ferrari, Nikita Astrakhantsev, Nils Niggemann, Pratyay Ghosh, Tobias Müller, Ronny Thomale, Titus Neupert, Johannes Reuther, Michel J. P. Gingras, Simon Trebst, Yasir Iqbal
Publikováno v:
Physical Review Research, Vol 5, Iss 1, p L012025 (2023)
Pinch point singularities, associated with flat band magnetic excitations, are tell-tale signatures of Coulomb spin liquids. While their properties in the presence of quantum fluctuations have been widely studied, the fate of the complementary nonana
Externí odkaz:
https://doaj.org/article/95e429732ecf45f686299a1400c180df
Publikováno v:
SciPost Physics, Vol 12, Iss 5, p 156 (2022)
We employ a recently developed variant of the functional renormalization group method for spin systems, the so-called pseudo Majorana functional renormalization group, to investigate three-dimensional spin-1/2 Heisenberg models at finite temperatures
Externí odkaz:
https://doaj.org/article/ec008eaf33be4cc69c2a34aad3fe56c3
Fracton phases are a particularly exotic type of quantum spin liquids where the elementary quasiparticles are intrinsically immobile. These phases may be described by unconventional gauge theories known as tensor or multipolar gauge theories, charact
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f6248879f70808850b56b3cfd021fc9b
We employ a recently developed variant of the functional renormalization group method for spin systems, the so-called pseudo Majorana functional renormalization group, to investigate three-dimensional spin-1/2 Heisenberg models at finite temperatures
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::53f69b919f094d24fa75a910a0aa83db
http://arxiv.org/abs/2112.08104
http://arxiv.org/abs/2112.08104
Publikováno v:
Physical Review B. 103
The pseudofermion functional renormalization group (PFFRG) method has proven to be a powerful numerical approach to treat frustrated quantum spin systems. In its usual implementation, however, the complex fermionic representation of spin operators in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::550b165c15a309900b37b87a20571b82
https://doi.org/10.1103/physrevb.103.104431
https://doi.org/10.1103/physrevb.103.104431
Quantum spin liquids are long-range entangled phases whose magnetic correlations are determined by strong quantum fluctuations. While an overarching principle specifying the precise microscopic coupling scenarios for which quantum spin-liquid behavio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::44ab46a20527888792ecf91e51553ab0