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Room-temperature superconductivity and quantum physics

, Italy 1 D. V. Vechten Office of Naval Research , Arlington, VA , USA 2 B. Gorshunov Moscow Institute of Physics and Technology (State University) , Dolgoprudny, Moscow Region , Russia 3 G. Melkonyan GMLab ... most complex topics in physics and achieving the goal of room-temperature superconductivity has been one of the most challenging pursuits of modern physics. Many dedicated scientists have spent

Surgery and quantum physics

, we aimed to gain a quantum physics-based understanding of life, and how life differs from dead matter. Let us briefly summarize the recent journey and see where we have reached. Space, time, motion

Surgery and quantum physics

2). Diving into the quantum world Quantum mechanics deals with the structure, elements, and functions of our microcosmos, i. e., with atoms. Quantum physics is all about probabilities where the

Fantastic plastic makes the quantum leap

temperature. This provides a new, simple route to experimentally study many-body quantum physics and opens the door for device applications. ... FANTASTIC PLASTIC MAKES THE QUANTUM LEAP A Bose-Einstein condensate is an intriguing state of matter where extensive collective coherence leads to macroscopic quantum phenomena. It has now been

Simulating quantum dynamical phenomena using classical oscillators: Landau-Zener-Stückelberg-Majorana interferometry, latching modulation, and motional averaging

classical systems are realized using either mechanical, electrical, or optical resonators. In addition to the fundamental interest of such dynamical phenomena linking classical and quantum physics, we believe ... physics, we believe that these are attractive for the classical analogue simulation of quantum systems. Introduction Classical-quantum analogies Classical oscillators are ubiquitous in nature. With

Quantum optics without photons

simulating complex quantum problems found in fields such as condensed-matter and high-energy physics (see go.nature.com/2uied19). Krinner et al. now demonstrate that trapped-atom systems can also be used to ... physics that emerges in unconventional quantum optical set-ups. If the experiments are extended to include many emitters, it might be possible to observe collective spontaneous-emission phenomena that

Rational quantum secret sharing

The traditional quantum secret sharing does not succeed in the presence of rational participants. A rational participant’s motivation is to maximize his utility, and will try to get the secret alone ... . & Gong, L. H. Continuous variable quantum secret sharing via quantum teleportation. International Journal of Theoretical Physics. 52, 4174–4184 (2013). MathSciNetArticleMATH Google Scholar9. Liao, C. H

Method of Higher-order Operators for Quantum Optomechanics

in quantum physics. ... approximations. While in classical problems the resulting Langevin equations are scalar functions, in quantum problems one has to deal with nonlinear operator differential equations. If expanded unto base kets

Quantum Genetic Algorithm on Multilevel Quantum Systems

We present a new evolutionary algorithm on the basis of quantum computations technology for solving optimization problems. The algorithm is built using many-valued quantum logic concept, which is ... quantum circuits,” Physics Letters A, vol. 379, no. 22-23, pp. 1409–1413, 2015. View at Publisher · View at Google Scholar · View at ScopusA. Popov, E. Kiktenko, A. Fedorov, and V. I. Man’ko, “Information

Quantum teleportation through time-shifted AdS wormholes

coupling of the two CFTs, or alternatively by the application of a modified quantum teleportation protocol. This provides evidence for the smoothness of the horizon for a large class of entangled states ... Open Access Regular Article - Theoretical Physics First Online: 22 August 2018 Received: 04 July 2018 Accepted: 29 July 2018 5 Shares 28 Downloads Abstract Based on the work of Gao

Multilayer Optimization for the Quantum Internet

We define a multilayer optimization method for the quantum Internet. Multilayer optimization integrates separate procedures for the optimization of the quantum layer and the classical layer of the ... algorithms for supervised and unsupervised machine learning. arXiv:1307.0411 (2013). 28. Lloyd, S., Mohseni, M. & Rebentrost, P. Quantum principal component analysis. Nature Physics 10, 631 (2014). ADSArticle

Physics in daily life: seeing under water

the application of the framework to systems with additional symmetry. Important examples are the study of quantum cosmology and the near-singularity regime in black hole physics, where due to symmetry ... divergences. For finite value of the e the extra loop created by the quantum constraint can entangle the weave of links and nodes in the given spin network around the intersection (first three diagrams on the

A Probability Distribution for Quantum Tunneling Times

We propose a general expression for the probability distribution of real-valued tunneling times of a localized particle, as measured by the Salecker-Wigner-Peres quantum clock. This general ... , essentially, the inception of quantum mechanics (see, e.g., [1, 2] and references therein). However, such tunneling times were beyond the experimental reach until recent advances in ultrafast physics have made

The Nobel Prize in Physics 2003

) share the 2003 Nobel prize in physics for their "pioneering contributions to the theory of superconductors and superfluidity:' Their names are added to the illustrious list of Nobellaureates in the field ... oflow temperature physics. Superconductivity/fluidity has always been the most glamorous topic in condensed matter physics. The milestones characterizing the field start with the discovery of

Remote quantum clock synchronization without synchronized clocks

A major outstanding problem for many quantum clock synchronization protocols is the hidden assumption of a common phase reference between the parties to be synchronized. In general, the definition of ... definition of the quantum states between two parties do not have consistent phase definitions, which can lead to an unknown systematic error. We show that despite prior arguments to the contrary, it is

Gravitational Physics: the birth of a new era

universe cosmology is in need of a rigorous underpinning in Quantum Gravity. ... A. Connes, J. Mathematical Physics GRAVITATIONAL PHYSICS: THE BIRTH OF A NEW ERA 0 [19] M. Sakellariadou, in Mathematical Structures of the Universe, edited by the Copernicus Center for

Miazma: physics edutainment through a computer game

Accelerator Center of Atomki. Géza Lévai is scientific adviser at MTA Atomki . His field of interest is symmetry-related studies in quantum mechanics and theoretical nuclear physics. Presently he is the deputy ... MIAZMA: PHYSICS EDUTAINMENT THROUGH A COMPUTER GAME The beginning of the 21st century is characterised by several contradictions and challenges. One of them is that scientific and technological

Physics funding at the German Research Foundation

PHYSICS FUNDING l Karin Zach - Deutsche Forschungsgemeinschaft (DFG), Bonn - DOI: 10.1051/epn/2013603 The German Research Foundation (Deutsche Forschungsgemeinschaft, DFG) is the central German ... substantially. • Optics,Quantum Optics,Atoms,Molecules and Plasmas m FIG. 2: DFG funding Clusters of Excellence will enable German university • Particles, Nuclei and Fields to the different fields locations to

Effects of quantum statistics on relic density of dark radiation

The freeze-out of massless particles is investigated. The effects due to quantum statistics, Fermi-Dirac or Bose-Einstein, of all particles relevant for the process are analyzed. Solutions of ...  Szczerbiak Open Access Regular Article - Theoretical Physics First Online: 01 September 2018 Received: 23 July 2018 Accepted: 27 August 2018 52 Downloads Abstract The freeze-out of massless

Quantum character varieties and braided module categories

We compute quantum character varieties of arbitrary closed surfaces with boundaries and marked points. These are categorical invariants \(\int _S{\mathcal {A}}\) of a surface S, determined by the ... homomorphisms called quantum moment maps. We then show that the quantum character variety of a decorated surface is obtained from that of the corresponding punctured surface as a quantum Hamiltonian reduction