One question to be answered is whether the gravitational field behaves as the classical superposition of two particles separated by a spatial distance with half the mass located at each position or as a quantum superposition with a far more interesting and subtle behaviour for the gravitational field.
General Relativity and Quantum Cosmology
The greater a state's distance from maximal complexity, or ``uncomplexity,'' the more useful the state is as input to a quantum computation.
Quantum Physics Disordered Systems and Neural Networks General Relativity and Quantum Cosmology High Energy Physics - Theory
Use of supergravity equations in astronomy and late-universe cosmology is often criticized on three grounds: (i) phenomenological success usually depends on the supergravity form for the scalar potential applying at the relevant energies; (ii) the low-energy scalar potential is extremely sensitive to quantum effects involving very massive particles and so is rarely well-approximated by classical calculations of its form; and (iii) almost all Standard Model particles count as massive for these purposes and none of these are supersymmetric.
High Energy Physics - Theory
We present a new, high-veracity chemical space dataset -- bigQM7$\omega$ -- with 12, 880 molecules containing up to 7 heavy atoms, and highlight the key challenges in quantum machine learning modeling of electronic excitation spectra.
We develop a high-performance tensor-based simulator for random quantum circuits(RQCs) on the new Sunway supercomputer.
Quantum Physics Distributed, Parallel, and Cluster Computing
The scheme of quantum computation with magic states, and in particular the role of the Wigner function as an indicator of quantumness, motivate the question of when Clifford-covariant Wigner functions exist, and when Wigner functions exist that represent Pauli measurements positively.
Quantum technology is exploding.
Physics Education Quantum Physics
Many types of motile cells perform durotaxis, namely, directed migration following gradients of substrate stiffness.
Biological Physics Soft Condensed Matter Tissues and Organs
We report the observation of spin-polarized superconductivity in Bernal bilayer graphene when doped to a saddle-point van Hove singularity generated by large applied perpendicular electric field.
Mesoscale and Nanoscale Physics Strongly Correlated Electrons
Theoretical work has shed light on the phase behavior of idealized mixtures with random interactions.
Statistical Mechanics Biological Physics