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Tuning dimensionality in van der Waals materials with finite interlayer coupling has introduced various electronic phase transitions by conventional mechanical exfoliation. Particularly when the electronic order is tied to the modulation of…

Strongly Correlated Electrons · Physics 2023-01-12 Hyoung Kug Kim , So Young Kim , C. J. Won , Sang-Wook Cheong , Jonghwan Kim , Jun Sung Kim , Tae-Hwan Kim

Inspired by the recent discovery of a successive evolutions of electronically ordered states, we present a self-consistent theoretical analysis that treats the interactions responsible for the chiral charge order and superconductivity on an…

Superconductivity · Physics 2024-03-20 Hong-Min Jiang , Min Mao , Zhi-Yong Miao , Shun-Li Yu , Jian-Xin Li

Extensive research has focused on phenomena arising from the chirality of crystalline or magnetic structures. Recently, we have proposed the "Nonlinear Chiral Thermo-Electric (NCTE) Hall effect," in which current flows in the direction of…

Strongly Correlated Electrons · Physics 2024-10-02 Kazuki Nakazawa , Terufumi Yamaguchi , Ai Yamakage

A second-order phase transition is characterized by spontaneous symmetry breaking. The nature of the broken symmetry in the so-called "hidden order" phase transition in the heavy fermion compound URu2Si2, at transition temperature T_h=17.5…

Strongly Correlated Electrons · Physics 2011-07-28 R. Okazaki , T. Shibauchi , H. J. Shi , Y. Haga , T. D. Matsuda , E. Yamamoto , Y. Onuki , H. Ikeda , Y. Matsuda

Chiral symmetry undergoes a metamorphosis at $T_c$. For $T < T_c$, the usual Noether charge, $\Qa$, is dynamically broken by the vacuum. Above $T_c$, chiral symmetry undergoes a subtle change, and the Noether charge \underline{{\em morphs}}…

High Energy Physics - Phenomenology · Physics 2008-02-03 Ngee Pong Chang

The real-time dynamics of chiral phase transition is investigated in a two-flavor ($N_f=2$) soft-wall AdS/QCD model. To understand the dynamics of thermalization, we quench the system from initial states deviating from the equilibrium…

High Energy Physics - Phenomenology · Physics 2023-04-19 Xuanmin Cao , Jingyi Chao , Hui Liu , Danning Li

It is commonly believed that in confining vector-like gauge theories the center and chiral symmetry realizations are parametrically entangled, and if phase transitions occur, they must take place around the strong scale $\Lambda^{-1}$ of…

High Energy Physics - Theory · Physics 2013-05-29 Mithat Unsal

Chiral superconductors, a unique class of unconventional superconductors in which the complex superconducting order parameter winds clockwise or counter-clockwise in the momentum space, represent a topologically non-trivial system with…

We report an infrared study on 1$T$-TiSe$_2$, the parent compound of the newly discovered superconductor Cu$_x$TiSe$_2$. Previous studies of this compound have not conclusively resolved whether it is a semimetal or a semiconductor:…

Strongly Correlated Electrons · Physics 2009-11-13 G. Li , W. Z. Hu , D. Qian , D. Hsieh , M. Z. Hasan , E. Morosan , R. J. Cava , N. L. Wang

We study the ordering of the spin and the chirality in the fully frustrated XY model on a square lattice by extensive Monte Carlo simulations. Our results indicate unambiguously that the spin and the chirality exhibit separate phase…

Statistical Mechanics · Physics 2015-05-19 Soichirou Okumura , Hajime Yoshino , Hikaru Kawamura

The complex Fermi surfaces of transition-metal dichalcogenides (TMDCs) challenge the standard Peierls-instability-driven charge-density-wave (CDW) formation. Recently, evidence has been accumulating of a prominent role of ionic thermal…

Strongly Correlated Electrons · Physics 2020-10-21 Daniel T. Payne , Paolo Barone , Lara Benfatto , Fulvio Parmigiani , Federico Cilento

The Rice-Mele model consists of a one-dimensional lattice with two sublattice sites in each unit cell subjected to a staggered sublattice potential. The onsite potential constitutes a mass term that breaks chiral symmetry. In this paper, we…

Mesoscale and Nanoscale Physics · Physics 2025-04-29 Kiminori Hattori , Kenyu Chikamori , Hayato Iizuka , Ata Yamaguchi

In this work, we attack the problem of "chiral phase instability" ($\chi$PI) in a quantum chromodynamics (QCD) system under a parallel and constant electromagnetic field. The $\chi$PI refers to that: When $I_2\equiv{\bf E\cdot B}$ is larger…

Nuclear Theory · Physics 2024-05-14 Gaoqing Cao

Temperature dependent single-crystal x-ray diffraction (XRD) in transmission mode probing the bulk of the newly discovered K0.8Fe1.6Se2 superconductor (Tc = 31.8 K) using synchrotron radiation is reported. A clear evidence of intrinsic…

The sequence of phase transitions and the symmetry of in particular the low temperature incommensurate and spin-Peierls phases of the quasi one-dimensional inorganic spin-Peierls system TiOX (TiOBr and TiOCl) have been studied using…

We study the thermal transition of QCD with two degenerate light flavours by lattice simulations using $O(a)$-improved Wilson quarks. Temperature scans are performed at a fixed value of $N_t = (aT)^{-1}=16$, where $a$ is the lattice spacing…

High Energy Physics - Lattice · Physics 2017-02-23 Bastian B. Brandt , Anthony Francis , Harvey B. Meyer , Owe Philipsen , Daniel Robaina , Hartmut Wittig

Quenched SU(3) lattice gauge theory shows three phase transitions, namely the chiral, the deconfinement and the Z3 phase transition. Knowing whether or not the chiral and the deconfinement phase transition occur at the same temperature for…

High Energy Physics - Lattice · Physics 2008-11-26 Christof Gattringer , P. E. L. Rakow , Andreas Schaefer , Wolfgang Soeldner

In this letter, we report the structural, electronic and ferroelectric properties of the layered mixed-valent transition-metal compound, Sr$_{4}$Fe$_{6}$O$_{12}$ (SFO). We demonstrate how SFO undergoes a phase transition from a…

Strongly Correlated Electrons · Physics 2025-02-05 Arindam Sarkar , Hena Das , Prashant Singh , Aftab Alam

We have performed X-ray diffraction experiments on a single crystalline CeCoSi to investigate the unresolved ordered phase below $T_0 \sim 12$ K. We have discovered that a triclinic lattice distortion takes place below $T_0$, which is…

Strongly Correlated Electrons · Physics 2022-05-12 Takeshi Matsumura , Suguru Kishida , Mitsuru Tsukagoshi , Yukihiro Kawamura , Hironori Nakao , Hiroshi Tanida

We report results regarding the electron transport in vertical quasi-2D layered 1T-TaS2 charge-density-wave devices. The low-frequency noise spectroscopy was used as a tool to study changes in the cross-plane electrical characteristics of…

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