Zobrazeno 1 - 10
of 4 549
pro vyhledávání: '"A. Sondhi"'
Autor:
Shivam, Saumya, Pokorny, Fabian, Vazquez-Brennan, Andres, Sotirova, Ana S., Leppard, Jamie D., Decoppet, Sophie M., Ballance, C. J., Sondhi, S. L.
We propose encoding multiple qubits inside ions in existing trapped-ion quantum computers to access more qubits and to simplify circuits implementing standard algorithms. By using such `virtual' qubits, some inter-ion gates can be replaced by intra-i
Externí odkaz:
http://arxiv.org/abs/2406.19332
Eigenstates of observables such as the Hamiltonian play a central role in quantum mechanics. Inspired by the pure Nash equilibria that arise in classical game theory, we propose ''Nash states'' of multiple observables as a generalization of eigenstat
Externí odkaz:
http://arxiv.org/abs/2405.21011
A discrete spatial lattice can be cast as a network structure over which spatially-correlated outcomes are observed. A second network structure may also capture similarities among measured features, when such information is available. Incorporating t
Externí odkaz:
http://arxiv.org/abs/2401.15793
Publikováno v:
J Stat Phys 191, 55 (2024)
We study the competition between Haar-random unitary dynamics and measurements for unstructured systems of qubits. For projective measurements, we derive various properties of the statistical ensemble of Kraus operators analytically, including the pu
Externí odkaz:
http://arxiv.org/abs/2312.09216
Publikováno v:
Phys. Rev. B 110, 024305 (2024)
We study the $N$ fracton problem in classical mechanics, with fractons defined as point particles that conserve multipole moments up to a given order. We find that the nonlinear Machian dynamics of the fractons is characterized by late-time attractor
Externí odkaz:
http://arxiv.org/abs/2312.02271
Publikováno v:
Journal of Knowledge Management, 2024, Vol. 28, Issue 7, pp. 1937-1962.
Externí odkaz:
http://www.emeraldinsight.com/doi/10.1108/JKM-07-2023-0660
We introduce a notion of expected utility for quantum tasks and discuss some general conditions under which this is increased by the presence of quantum noise in the underlying resource states. We apply the resulting formalism to the specific problem
Externí odkaz:
http://arxiv.org/abs/2308.10969
Publikováno v:
Phys. Rev. B 109, 054313 (2024)
We initiate the study of the classical mechanics of non-relativistic fractons in its simplest setting - that of identical one dimensional particles with local Hamiltonians characterized by by a conserved dipole moment in addition to the usual symmetr
Externí odkaz:
http://arxiv.org/abs/2308.07372
Autor:
Kivelson, Steven A., Sondhi, Shivaji
Publikováno v:
Nature Reviews Physics, May 26, 2023
In 1973, Philip Anderson published a paper introducing the resonating valence bond state, which can be recognized in retrospect as a topologically ordered phase of matter - one that cannot be classified in the conventional way according to its patter
Externí odkaz:
http://arxiv.org/abs/2305.18103
Publikováno v:
PRX Quantum 5, 010309 (2024)
Repeated projective measurements in unitary circuits can lead to an entanglement phase transition as the measurement rate is tuned. In this work, we consider a different setting in which the projective measurements are replaced by dynamically chosen
Externí odkaz:
http://arxiv.org/abs/2304.12965