Zobrazeno 1 - 10
of 224
pro vyhledávání: '"LENT, CRAIG"'
Autor:
Mahoney, Brendan J., Lent, Craig S.
Publikováno v:
Physical Review RESEARCH 6, 023286 (2024)
The Lieb-Robinson correlation function is the norm of a commutator between local operators acting on separate subsystems at different times. This provides a useful state-independent measure for characterizing the specifically quantum interaction betw
Externí odkaz:
http://arxiv.org/abs/2402.11080
Autor:
Mahoney, Brendan J., Lent, Craig S.
The Lieb-Robinson correlation function captures propagation of quantum correlations in a many-body system. We calculate the value of the leading order of the correlation function, not its bound, for a system of interacting qubits at early times. The
Externí odkaz:
http://arxiv.org/abs/2203.07251
Autor:
Pidaparthi, Subhash S., Lent, Craig S.
Publikováno v:
J. Appl. Phys. 131, 044502 (2022)
We examine the impact of the intrinsic molecular reorganization energy on switching in two-state quantum-dot cellular automata (QCA) cells. Switching a bit involves an electron transferring between charge centers within the molecule. This in turn cau
Externí odkaz:
http://arxiv.org/abs/2112.15200
Autor:
Lent, Craig S.
Publikováno v:
Entropy 22, 776 (2020)
We model the fundamental behavior of a two-branch quantum interference device. Quantum interference oscillations are visible in the output as the magnetic flux through the paths is varied. Multiple witness systems are field-coupled to each branch. Ea
Externí odkaz:
http://arxiv.org/abs/2001.04403
Autor:
Lent, Craig S.
Publikováno v:
Phys. Rev. E 100, 012101 (2019)
For a quantum state undergoing unitary Schr\"odinger time evolution, the von Neumann entropy is constant. Yet the second law of thermodynamics, and our experience, show that entropy increases with time. Ingarden introduced the quantum operator entrop
Externí odkaz:
http://arxiv.org/abs/1901.08956
Publikováno v:
Journal of Physics: Condensed Matter 30, 195602 (2018)
We study quantum entanglement loss due to environmental interaction in a condensed matter system with a complex geometry relevant to recent proposals for computing with single electrons at the nanoscale. We consider a system consisting of two qubits,
Externí odkaz:
http://arxiv.org/abs/1702.06051
Autor:
Mahoney, Brendan J.1 (AUTHOR), Lent, Craig S.2 (AUTHOR) lent@nd.edu
Publikováno v:
Symmetry (20738994). Nov2022, Vol. 14 Issue 11, p2253. 15p.
Autor:
Toth, Geza, Lent, Craig S.
Publikováno v:
Journal of Applied Physics, Vol. 89, No. 12, pp. 7943-7953(2001)
Quantum-dot Cellular Automata (QCA) may offer a viable alternative of traditional transistor-based technology at the nanoscale. When modeling a QCA circuit, the number of degrees of freedom necessary to describe the quantum mechanical state increases
Externí odkaz:
http://arxiv.org/abs/cond-mat/0104406
Autor:
Toth, Geza, Lent, Craig S., Tougaw, P. Douglas, Brazhnik, Yuriy, Weng, Weiwen, Porod, Wolfgang, Liu, Ruey-Wen, Huang, Yih-Fang
Publikováno v:
Superlattices and Microstructures, Vol. 20, No. 4, 473-478(1996)
We have previously proposed a way of using coupled quantum dots to construct digital computing elements - quantum-dot cellular automata (QCA). Here we consider a different approach to using coupled quantum-dot cells in an architecture which, rather t
Externí odkaz:
http://arxiv.org/abs/cond-mat/0005038