Colloquium: Hidden order, superconductivity, and magnetism: <?format ?>The unsolved case of

JA Mydosh, PM Oppeneer - Reviews of Modern Physics, 2011 - APS
This Colloquium reviews the 25 year quest to understand the continuous (second-order),
mean-field-like phase transition occurring at 17.5 K in URu 2 Si 2. About ten years ago, the …

Hidden order and beyond: an experimental—theoretical overview of the multifaceted behavior of URu2Si2

JA Mydosh, PM Oppeneer… - Journal of Physics …, 2020 - iopscience.iop.org
This topical review describes the multitude of unconventional behaviors in the hidden order,
heavy fermion, antiferromagnetic and superconducting phases of the intermetallic …

Ferroically Ordered Magnetic Octupoles in -Wave Altermagnets

S Bhowal, NA Spaldin - Physical Review X, 2024 - APS
We show that time-reversal symmetry-broken, centrosymmetric antiferromagnets with
nonrelativistic spin splitting of d-wave symmetry—the so-called d-wave altermagnets—are …

Rotational Symmetry Breaking in the Hidden-Order Phase of URu2Si2

R Okazaki, T Shibauchi, HJ Shi, Y Haga, TD Matsuda… - Science, 2011 - science.org
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 …

Emulating heavy fermions in twisted trilayer graphene

A Ramires, JL Lado - Physical Review Letters, 2021 - APS
Twisted van der Waals materials have been shown to host a variety of tunable electronic
structures. Here we put forward twisted trilayer graphene (TTG) as a platform to emulate …

Emergent rank-5 nematic order in URu2Si2

H Ikeda, MT Suzuki, R Arita, T Takimoto, T Shibauchi… - Nature Physics, 2012 - nature.com
Exotic electronic states resulting from entangled spin and orbital degrees of freedom are
hallmarks of strongly correlated f-electron systems. A spectacular example is the so-called …

Hidden order behaviour in URu2Si2 (A critical review of the status of hidden order in 2014)

JA Mydosh, PM Oppeneer - Philosophical Magazine, 2014 - Taylor & Francis
Throughout the past three decades, the hidden order (HO) problem in URu2Si2 has
remained a 'hot topic'in the physics of strongly correlated electron systems with well over …

Similarity of the Fermi Surface in the Hidden Order State <?format ?>and in the Antiferromagnetic State of

E Hassinger, G Knebel, TD Matsuda, D Aoki, V Taufour… - Physical review …, 2010 - APS
Shubnikov–de Haas measurements of high quality URu 2 Si 2 single crystals reveal two
previously unobserved Fermi surface branches in the so-called hidden order phase …

First-principles theory of magnetic multipoles in condensed matter systems

MT Suzuki, H Ikeda, PM Oppeneer - … of the Physical Society of Japan, 2018 - journals.jps.jp
The multipole concept, which characterizes the spacial distribution of scalar and vector
objects by their angular dependence, has already become widely used in various areas of …

Nonrelativistic ferromagnetotriakontadipolar order and spin splitting in hematite

XH Verbeek, D Voderholzer, S Schären… - Physical Review …, 2024 - APS
We show that hematite, α-Fe 2 O 3, below its Morin transition, has a ferroic ordering of rank-5
magnetic triakontadipoles on the Fe ions. In the absence of spin-orbit coupling, these are the …