Results 51 to 60 of about 98,086 (227)

Continuous-time quantum harmonic oscillator state engineering

New Journal of Physics, 2023
The center of mass motion of trapped ions and neutral atoms is suitable for approximation by a time-dependent driven quantum harmonic oscillator whose frequency and driving strength may be controlled with high precision.
E García Herrera, F Torres-Leal, B M Rodríguez-Lara   +2 more
doaj   +1 more source

Radiation reaction and quantum damped harmonic oscillator

, 2005
By taking a Klein-Gordon field as the environment of an harmonic oscillator and using a new method for dealing with quantum dissipative systems (minimal coupling method), the quantum dynamics and radiation reaction for a quantum damped harmonic ...
F. KHEIRANDISH, Havas P., M. AMOOSHAHI, Nicolis G., Svinin I. R., Valentini G.   +5 more
core   +1 more source

Normal Forms for Semilinear Quantum Harmonic Oscillators [PDF]

Communications in Mathematical Physics, 2009
We consider the semilinear harmonic oscillator $$i _t=(- +\va{x}^{2} +M) +\partial_2 g( ,\bar ), \quad x\in \R^d, t\in \R$$ where $M$ is a Hermite multiplier and $g$ a smooth function globally of order 3 at least. We prove that such a Hamiltonian equation admits, in a neighborhood of the origin, a Birkhoff normal form at any order and that, under
Grébert, Benoît, Imekraz, Rafik, Paturel, Eric   +2 more
openaire   +4 more sources

Neuromorphic Electronics for Intelligence Everywhere: Emerging Devices, Flexible Platforms, and Scalable System Architectures

Advanced Materials, EarlyView.
The perspective presents an integrated view of neuromorphic technologies, from device physics to real‐time applicability, while highlighting the necessity of full‐stack co‐optimization. By outlining practical hardware‐level strategies to exploit device behavior and mitigate non‐idealities, it shows pathways for building efficient, scalable, and ...
Kapil Bhardwaj, Roshni Satheesh Babu, Yuxin Xia, Eva Bestelink, Radu Sporea, Nikos Hastas, Ioannis Zeimpekis, Dimitra G. Georgiadou, Sayani Majumdar   +8 more
wiley   +1 more source

Donor–Acceptor Pentacene Analogues With Near‐Infrared Emission and Tunable Aromaticity

Angewandte Chemie, EarlyView.
Air‐ and photostable heterocyclic pentacene analogues with donor and acceptor groups flanking a para‐quinodimethane core exhibit large dipole moments, narrow bandgaps, reversible redox behavior, and NIR‐I to NIR‐II absorption and emission with pronounced solvatochromism.
Krzysztof Nowak, Olaf Morawski, Muhammad Yasir Mehboob, Maja Morawiak, Krzysztof Noworyta, Cina Foroutan‐Nejad, Marek Grzybowski   +6 more
wiley   +2 more sources

Propagation, breathing and transition of matter-wave packet trains [PDF]

, 2003
We find a set of new exact solutions of a quantum harmonic oscillator, which describes some wave-packet trains with average energy being proportional to both the quantum level and classical energy of the oscillator.
Chong, Guishu, Hai, Wenhua, Lee, Chaohong   +2 more
core   +2 more sources

Versatile Magneto‐Dielectric Response of Epitaxial Thin Films of the High Entropy Oxide Perovskite Nd(Cr0.2Mn0.2Fe0.2Co0.2Ni0.2)O3

Advanced Materials, EarlyView.
The magnetic high entropy oxide perovskite Nd(Cr0.2Mn0.2Fe0.2Co0.2Ni0.2)O3 exhibits a substantially large dielectric constant (εr) at room temperature, which shows distinct anionic and cationic contributions in the form of zero and finite bias peaks, respectively, down to its magnetic transition temperature (Tmag).
Roxana Capu, Ryan Thompson, C. Willem Rischau, Marli R. Cantarino, Premysl Marsik, Sergey L. Bud'ko, Neven Biškup, María Varela, Yurii G. Pashkevich, Serhii M. Orel, Thomas Prokscha, Andreas Suter, Jiangtao Zhao, Ugwumsinachi Oji, Marco Bonura, Peter Bencok, Zaher Salman, Stefano Gariglio, Christian Bernhard, Subhrangsu Sarkar   +19 more
wiley   +1 more source

The Intricate Sabatier Optimality of Anion Electroreduction and Its Consequences for Nitrate Reduction

Angewandte Chemie, EarlyView.
The Sabatier principle and volcano plots declare that optimal electrocatalysis is found in the middle between strong and weak binding of key intermediates. However, it is shown here that during anion electroreduction, strong and weak binding are potential‐dependent concepts and volcanoes are mobile.
Mattia Salomone, Ioannis Katsounaros, Federico Calle‐Vallejo   +2 more
wiley   +2 more sources

Deformed Heisenberg algebras, a Fock-space representation and the Calogero model

, 2000
We describe generally deformed Heisenberg algebras in one dimension. The condition for a generalized Leibniz rule is obtained and solved. We analyze conditions under which deformed quantum-mechanical problems have a Fock-space representation.
Bardek, Velimir, Meljanac, Stjepan
core   +1 more source

Quantum computation with harmonic oscillators [PDF]

Technical Digest. CLEO/Pacific Rim 2001. 4th Pacific Rim Conference on Lasers and Electro-Optics (Cat. No.01TH8557), 2002
Summary form only given. The use of continuous-variable (CV) quantum computing allows information to be encoded and processed much more compactly and efficiently than with discrete-variable (qubit) computing. That is, with CV realizations, one can perform quantum information processes using fewer coupled quantum systems: a considerable advantage for ...
S.D. Bartlett, B.C. Sanders, H. de Guise
openaire   +1 more source