scholarly journals Crystalline Arrays of Pairs of Molecular Rotors: Correlated Motion, Rotational Barriers, and Space-Inversion Symmetry Breaking Due to Conformational Mutations

2013 ◽  
Vol 135 (25) ◽  
pp. 9366-9376 ◽  
Author(s):  
Cyprien Lemouchi ◽  
Konstantinos Iliopoulos ◽  
Leokadiya Zorina ◽  
Sergey Simonov ◽  
Pawel Wzietek ◽  
...  
Keyword(s):  
Symmetry Breaking ◽  
Molecular Rotors ◽  
Inversion Symmetry ◽  
Rotational Barriers ◽  
Correlated Motion ◽  
Space Inversion

scholarly journals Space inversion symmetry breaking and pattern selection in nonlinear optics

1999 ◽  
Vol 1 (1) ◽  
pp. 191-197 ◽  
Author(s):  
Marco Santagiustina ◽  
Pere Colet ◽  
Maxi San Miguel ◽  
Daniel Walgraef
Keyword(s):  
Nonlinear Optics ◽  
Symmetry Breaking ◽  
Pattern Selection ◽  
Inversion Symmetry ◽  
Space Inversion

Improper Inversion Symmetry Breaking and Piezoelectricity through Oxygen Octahedral Rotations in Layered Perovskite Family, LiRTiO4(R= Rare Earths)

2015 ◽  
Vol 2 (1) ◽  
pp. 1500196 ◽  
Author(s):  
Arnab Sen Gupta ◽  
Hirofumi Akamatsu ◽  
Megan E. Strayer ◽  
Shiming Lei ◽  
Toshihiro Kuge ◽  
...  
Keyword(s):  
Symmetry Breaking ◽  
Rare Earths ◽  
Layered Perovskite ◽  
Inversion Symmetry

scholarly journals Electronically driven spin-reorientation transition of the correlated polar metal Ca3Ru2O7

2020 ◽  
Vol 117 (27) ◽  
pp. 15524-15529 ◽  
Author(s):  
Igor Marković ◽  
Matthew D. Watson ◽  
Oliver J. Clark ◽  
Federico Mazzola ◽  
Edgar Abarca Morales ◽  
...  
Keyword(s):  
Symmetry Breaking ◽  
Sudden Onset ◽  
Spin Reorientation ◽  
Orbit Coupling ◽  
Inversion Symmetry ◽  
Spin Orbit Coupling ◽  
Spin Orbit ◽  
Large Hole ◽  
Electronic Correlations ◽  
Spin Reorientation Transition

The interplay between spin–orbit coupling and structural inversion symmetry breaking in solids has generated much interest due to the nontrivial spin and magnetic textures which can result. Such studies are typically focused on systems where large atomic number elements lead to strong spin–orbit coupling, in turn rendering electronic correlations weak. In contrast, here we investigate the temperature-dependent electronic structure ofCa3Ru2O7, a4doxide metal for which both correlations and spin–orbit coupling are pronounced and in which octahedral tilts and rotations combine to mediate both global and local inversion symmetry-breaking polar distortions. Our angle-resolved photoemission measurements reveal the destruction of a large hole-like Fermi surface upon cooling through a coupled structural and spin-reorientation transition at 48 K, accompanied by a sudden onset of quasiparticle coherence. We demonstrate how these result from band hybridization mediated by a hidden Rashba-type spin–orbit coupling. This is enabled by the bulk structural distortions and unlocked when the spin reorients perpendicular to the local symmetry-breaking potential at the Ru sites. We argue that the electronic energy gain associated with the band hybridization is actually the key driver for the phase transition, reflecting a delicate interplay between spin–orbit coupling and strong electronic correlations and revealing a route to control magnetic ordering in solids.

scholarly journals Inversion-symmetry breaking in spin patterns by a weak magnetic field

2019 ◽  
Vol 99 (5) ◽  
Author(s):  
I. Krešić ◽  
G. R. M. Robb ◽  
G. Labeyrie ◽  
R. Kaiser ◽  
T. Ackemann
Keyword(s):  
Magnetic Field ◽  
Symmetry Breaking ◽  
Weak Magnetic Field ◽  
Inversion Symmetry

scholarly journals Type-II Ising pairing in few-layer stanene

Science ◽  
2020 ◽  
Vol 367 (6485) ◽  
pp. 1454-1457 ◽  
Author(s):  
Joseph Falson ◽  
Yong Xu ◽  
Menghan Liao ◽  
Yunyi Zang ◽  
Kejing Zhu ◽  
...  
Keyword(s):  
Symmetry Breaking ◽  
Upper Critical Field ◽  
Distinct Type ◽  
Inversion Symmetry ◽  
Spin Orbit Coupling ◽  
Type Ii ◽  
Spin Orbit ◽  
Pairing Mechanism ◽  
Topological Materials ◽  
Ultralow Temperature

Spin-orbit coupling has proven indispensable in the realization of topological materials and, more recently, Ising pairing in two-dimensional superconductors. This pairing mechanism relies on inversion symmetry–breaking and sustains anomalously large in-plane polarizing magnetic fields whose upper limit is predicted to diverge at low temperatures. Here, we show that the recently discovered superconductor few-layer stanene, epitaxially strained gray tin (α-Sn), exhibits a distinct type of Ising pairing between carriers residing in bands with different orbital indices near the Γ-point. The bands are split as a result of spin-orbit locking without the participation of inversion symmetry–breaking. The in-plane upper critical field is strongly enhanced at ultralow temperature and reveals the predicted upturn.

Doping and temperature dependence of inversion symmetry breaking in La2−xSrxCuO4

2009 ◽  
Vol 469 (13) ◽  
pp. 760-765
Author(s):  
E. Siranidi ◽  
D. Lampakis ◽  
E. Liarokapis ◽  
C. Panagopoulos ◽  
K. Conder
Keyword(s):  
Symmetry Breaking ◽  
Temperature Dependence ◽  
Inversion Symmetry

scholarly journals Electric-Field Switchable Second-Harmonic Generation in Bilayer MoS2 by Inversion Symmetry Breaking

Nano Letters ◽  
2016 ◽  
Vol 17 (1) ◽  
pp. 392-398 ◽  
Author(s):  
J. Klein ◽  
J. Wierzbowski ◽  
A. Steinhoff ◽  
M. Florian ◽  
M. Rösner ◽  
...  
Keyword(s):  
Symmetry Breaking ◽  
Electric Field ◽  
Second Harmonic Generation ◽  
Harmonic Generation ◽  
Second Harmonic ◽  
Inversion Symmetry
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