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62 papers · 1 filter
Resilience of d-wave superconductivity to nearest-neighbor repulsion
D. Sénéchal, A. Day, V. Bouliane +1
Many theoretical approaches find d-wave superconductivity in the prototypical one-band Hubbard model for high-temperature superconductors. At strong-coupling (U > W, where U is the…
Practical approximation of single-qubit unitaries by single-qubit quantum Clifford and T circuits
Vadym Kliuchnikov, Dmitri Maslov, Michele Mosca
We present an algorithm, along with its implementation that finds T-optimal approximations of single-qubit Z-rotations using quantum circuits consisting of Clifford and T gates. Ou…
Neutron-star mergers in scalar-tensor theories of gravity
Enrico Barausse, Carlos Palenzuela, Marcelo Ponce +1
Scalar-tensor theories of gravity are natural phenomenological alternatives to General Relativity, where the gravitational interaction is mediated by a scalar degree of freedom, be…
X-ray diffraction observation of charge density wave order at zero magnetic field in ortho-II YBaCuO
E. Blackburn, J. Chang, M. Hucker +10
X-ray diffraction measurements show that the high-temperature superconductor YBaCuO, with ortho-II oxygen order, has charge density wave order (CDW) in the absence…
Microscopic theory of magnetism in Sr3Ir2O7
Jean-Michel Carter, Hae-Young Kee
An intriguing idea of spin-orbit Mott insulator has been proposed to explain magnetic insulating behavior in various iridates. This scenario relies on the strength of the spin-orbi…
Thermodynamic properties of the Yb2Ti2O7 pyrochlore as a function of temperature and magnetic field: validation of a quantum spin ice exchange Hamiltonian
N. R. Hayre, K. A. Ross, R. Applegate +3
The thermodynamic properties of the pyrochlore Yb2Ti2O7 material are calculated using the numericallinked-cluster (NLC) calculation method for an effective anisotropic-exchange spi…