Results 151 to 160 of about 248,456 (339)
Parameterized Two‐Qubit Gates for Enhanced Variational Quantum Eigensolver
Annalen der Physik, Volume 534, Issue 12, December 2022., 2022 The parameterized quantum circuit used in variational quantum algorithms usually consists of parameterized single‐qubit gates and fixed entangling multi‐qubit gates. Here, it is considered what happens when the entangling gates become parameterized, which allows for directly tuning the entangling power of the circuit. The parameterized entangling gates
Stig Elkjær Rasmussen +1 more
wiley +1 more source
Metastable Superconducting Qubit [PDF]
Physical Review Letters, 2010 We propose a superconducting qubit design, based on a tunable RF-SQUID and nanowire kinetic inductors, which has a dramatically reduced transverse electromagnetic coupling to its environment, so that its excited state should be metastable. If electromagnetic interactions are in fact responsible for the current excited-state decay rates of ...
openaire +4 more sources
Decomposition of orthogonal matrix and synthesis of two-qubit and three-qubit orthogonal gates [PDF]
Quantum Information and Computation, Vol. 12, No. 3&4 (2012)
0262-0270, 2012 The decomposition of matrices associated to two-qubit and three-qubit orthogonal gates is studied, and based on the decomposition the synthesis of these gates is investigated. The optimal synthesis of general two-qubit orthogonal gate is obtained. For two-qubit unimodular orthogonal gate, it requires at most 2 CNOT gates and 6 one-qubit Ry gates.
arxiv
The Rise of Refractory Transition‐Metal Nitride Films for Advanced Electronics and Plasmonics
Advanced Materials Interfaces, EarlyView.Transition‐metal nitrides (TMNs) are exceptional materials with high stability, biocompatibility, and semiconductor integration, which have been extensively employed in various fields. However, the epitaxial growth of TMN films remains a challenge. The absence of high‐quality TMNs limits the understanding of their condensed matter physics and hinders ...
Jiachang Bi +3 more
wiley +1 more source
Optimal manipulations with qubits: Universal quantum entanglers [PDF]
, 2000 Vladimír Bužek, Mark Hillery
openalex +1 more source
Advanced Optical Materials, EarlyView.Photochromic compounds are versatile ingredients for the development of Chemical AI. When they are embedded in a tight microenvironment, they become Markov blankets. They are also valuable for processing Boolean and Fuzzy logic. They contribute to neuromorphic engineering in wetware based on opto‐chemical signals exchanged with oscillatory chemical ...
Pier Luigi Gentili
wiley +1 more source
QUBITS AND QUANTUM SPACES [PDF]
International Journal of Quantum Information, 2005 We consider the quantum computational process as viewed by an insider observer: this is equivalent to an isomorphism between the quantum computer and a quantum space, namely the fuzzy sphere. The result is the formulation of a reversible quantum measurement scheme, with no hidden information.
openaire +3 more sources
Advanced Photonics Research, EarlyView.Telecom‐band quantum light sources have significant practical applications in this domain. This study reports the high‐performance telecom‐wavelength biphoton generation from a hot vapor cell of 87Rb. For the first time, the beat phenomenon in the autocorrelation function of the signal photon with telecom wavelength due to the velocity‐selective ...
Hansol Jeong +3 more
wiley +1 more source
Qubits, superqubits and squbits
Journal of Physics: Conference Series, 2013 We analyze recently proposed formalisms which use nilpotent variables to describe and/or generalize qubits and notion of entanglement. There are two types of them distinguished by the commutativity and or anti-commutativity of basics variables.
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Polynomial procedure of avoiding multiqubit errors arising due to qubit-qubit interaction [PDF]
Quantum Computers and Computing 1, 84 (2000), 2000 Recently proposed implementations of quantum computer suffer from unavoidable interaction between quantum bits depending upon data being written in them. Novel procedure of avoiding multiqubit errors arising due to uncontrollable qubit-qubit interaction by using addititonal intermediate qubits is proposed.
arxiv