Broken rotational symmetry in the pseudogap phase of a high-Tc superconductor

Abstract

The nature of the pseudogap phase is a central problem in the quest to understand high-Tc cuprate superconductors. A fundamental question is what symmetries are broken when that phase sets in below a temperature T*. There is evidence from both polarized neutron diffraction and polar Kerr effect measurements that time- reversal symmetry is broken, but at temperatures that differ significantly. Broken rotational symmetry was detected by both resistivity and inelastic neutron scattering at low doping and by scanning tunnelling spectroscopy at low temperature, but with no clear connection to T*. Here we report the observation of a large in-plane anisotropy of the Nernst effect in YBa2Cu3Oy that sets in precisely at T*, throughout the doping phase diagram. We show that the CuO chains of the orthorhombic lattice are not responsible for this anisotropy, which is therefore an intrinsic property of the CuO2 planes. We conclude that the pseudogap phase is an electronic state which strongly breaks four-fold rotational symmetry. This narrows the range of possible states considerably, pointing to stripe or nematic orders.

Published version. Journal reference and DOI added

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• Tendencies of enhanced electronic nematicity in the Hubbard model and a comparison with Raman scattering on high-temperature superconductors
• Superconductivity and intra-unit-cell electronic nematic phase in the three-band model of cuprates
• Incipient loop current order in the under-doped cuprate superconductors
• Apparent temperature-induced reorientation of quantum Hall stripes
• Magnetoelectric Response in Electric Octupole State: Possible Hidden Order in Cuprate Superconductors
• Stripe order and quasiparticle Nernst effect in cuprate superconductors
• Mean-field theory on a coupled system of ferromagnetism and electronic nematic order
• Generic deformation channels for critical Fermi surfaces in the collisionless regime
• Additional electron pairing in a d-wave superconductor driven by nematic order
• Reply to "Comment on `No evidence for orbital loop currents in charge-ordered YBa${}_2$Cu${}_3$O${}_{6+x}$ from polarized neutron diffraction' "
• Charge and current orders in the spin-fermion model with overlapping hot spots
• The Role of the Core Energy in the Vortex Nernst Effect
• Signatures of thermally excited vortices in a superconductor with competing orders
• Uniaxial "nematic-like" electronic structure and Fermi surface of untwinned CaFe2As2
• Unconventional non-Fermi liquid state caused by nematic criticality in cuprates
• Local electronic nematicity in the one-band Hubbard model
• Stability of the coexistent superconducting-nematic phase under the presence of intersite interactions
• Spin and bond-charge excitation spectra in correlated electron systems near antiferromagnetic phase
• Arc-to-pocket transition and quantitative understanding of transport properties in cuprate superconductors
• Pseudogap Suppression by Competition with Superconductivity in La-Based Cuprates
• Theory of THz Conductivity in the Pseudogap Phase of the Cuprates: A Pre-Formed Pair Perspective
• Variation of shear moduli across superconducting phase transitions
• Enhancement of superconductivity by electronic nematicity in cuprate superconductors
• Thermoelectric signature of the nematic phase in iron-based superconductor
• Interplay between pair density waves and random field disorders in the pseudogap regime of cuprate superconductors
• Pseudogap and charge dynamics in doped cuprates
• Giant Nernst effect in the incommensurate charge density wave state of P4W12O44
• Transport Properties of Stripe-Ordered High Tc Cuprates
• Rotation of the dislocation grid in multilayer FeSe films and visualization of electronic nematic domains via orbital-selective tunneling
• Charge order, superconducting correlations, and $\mu$SR
• Strong electron-phonon coupling in Ba${}_{1-x}$Sr${}_x$Ni${}_2$As${}_2$
• Transverse Thermoelectric Response as a Probe for Existence of Quasiparticles
• Tracking the nematicity in cuprate superconductors: a resistivity study under uniaxial pressure
• Textured Superconductivity in the Presence of a Coexisting Order: Ce115s and Other Heavy-Fermion Compounds
• Evidence for skyrmions in the high-temperature superconductors
• Interplay between Multipolar Order and Multipole-Induced Superconductivity in PrTi${}_2$Al${}_{20}$
• Supercurrent and Electromotive force generations by the Berry connection from many-body wave functions
• Strange metallicity in an antiferromagnetic quantum critical model: A sign-problem-free quantum Monte-Carlo study
• No nematicity at the onset temperature of the pseudogap phase in the cuprate superconductor YBCO
• Hidden Quantum Hall Stripes in Al${}_x$Ga${}_{1-x}$As/Al${}_{0.24}$Ga${}_{0.76}$As Quantum Wells
• Correlation and disorder-enhanced nematic spin response in superconductors with weakly broken rotational symmetry
• Characteristic energy of the nematic-order state and its connection to enhancement of superconductivity in cuprate superconductors
• Nematic phase in a two-dimensional Hubbard model at weak coupling and finite temperature
• Spontaneous Fermi surface deformation in the three-band Hubbard model: A variational Monte Carlo study
• Glassy behavior of two-dimensional stripe-forming systems
• Instabilities of quantum critical metals in the limit $N_f\to 0$
• Spontaneous breaking of four-fold rotational symmetry in two-dimensional electron systems as a topological phase transition
• Theory of Diamagnetism in the Pseudogap Phase: Implications from the Self energy of Angle Resolved Photoemission
• The Principle Of Local Rotational Invariance And The Coexistence Of Magnetism, Charge And Superconductivity
• Pseudogap and its connection to particle-hole asymmetry electronic state and Fermi arcs in cuprate superconductors
• Coupling of Magnetic Orders in La2CuO4+x
• Quantum Hall stripes in high-density GaAs/AlGaAs quantum wells
• Competition between superconductivity and spin density wave
• Suppression of nematicity by tensile strain in multilayer FeSe/SrTiO${}_3$ films
• Time-reversal asymmetry without local moments via directional scalar spin chirality
• Density Wave Mediated Dzyaloshinskii-Moriya Interactions
• Crucial role of Internal Collective Modes in Underdoped Cuprates
• Implications of Charge Ordering in the High Tc Cuprate Superconductors in the Far-infrared Spectroscopy
• Universal superconducting fluctuations and the implications for the phase diagram of the cuprates
• Electronic Liquid Crystal Phases in Strongly Correlated Systems
• Evidence for a preformed Cooper pair model in the pseudogap spectra of a Ca10(Pt4As8)(Fe2As2)5 single crystal with a nodal superconducting gap
• Pseudogap with Fermi arcs and Fermi pockets in half-filled twisted transition metal dichalcogenides
• Flux-induced Nernst effect in a superconducting loop
• Superconductivity near a nematoelastic quantum critical point
• Nernst effect of iron pnictide and cuprate superconductors: signatures of spin density wave and stripe order
• Spin singlet and quasiparticles excitations in cuprate superconductors
• Competing pair density wave orders in the square lattice $t$-$J$ model
• Electronic Liquid Crystal Physics of Underdoped Cuprates
• Disordered non-Fermi liquid fixed point for two-dimensional metals at Ising-nematic quantum critical points
• Apparatus Design for Measuring of the Strain Dependence of the Seebeck Coefficient of Single Crystals
• Orbital-selective time-domain signature of nematicity dynamics in the charge-density-wave phase of La${}_{1.65}$Eu${}_{0.2}$Sr${}_{0.15}$CuO${}_4$
• Cluster dynamical mean field study of intra-unit-cell charge nematicity in hole-doped cuprates
• Universal limiting transition temperature for the high $T_{\mathrm{c}}$ superconductors
• A pairing hypothesis based on resonating valence bond state for hole doped copper oxide high temperature superconductors
• Electromagnetic response of cuprate superconductors with coexisting electronic nematicity
• Superconductivity near an Ising nematic quantum critical point in two dimensions
• Magic doping: From the localized hole-pair to the checkerboard patterns
• Reflection anisotropy experiments to study non-equilibrium dynamics of electronic nematicity
• Search for $Q\sim 0$ order near a forbidden Bragg position in Bi${}_{2.1}$Sr${}_{1.9}$CaCu${}_2$O${}_{8+x}$ with resonant soft x-ray scattering
• Vortices in a Ginzburg Landau Theory of Superconductors with Nematic Order
• Engineering underdoped CuO${}_2$ nanoribbons in nm-thick $a$-axis YBa${}_2$Cu${}_3$O${}_{7-\delta }$ films