Results 61 to 70 of about 2,059,050 (339)

Unique Performance Considerations for Printable Organic Semiconductor and Perovskite Radiation Detectors: Toward Consensus on Best Practice Evaluation

Advanced Functional Materials, EarlyView.
A lack of standard approaches for testing and reporting the performance of metal halide perovskites and organic semiconductor radiation detectors has resulted in inconsistent interpretation of performance parameters, impeding progress in the field. This Perspective recommends key metrics and experimental details, which are suggested for reporting in ...
Jessie A. Posar, Matthew Large, Andrea Ciavatti, Laura Basiricò, Beatrice Fraboni, Paul J. Sellin, Attila J. Mozer, Marco Petasecca, Matthew J. Griffith   +8 more
wiley   +1 more source

Recent Progress in Regge Calculus [PDF]

, 1997
While there has been some advance in the use of Regge calculus as a tool in numerical relativity, the main progress in Regge calculus recently has been in quantum gravity. After a brief discussion of this progress, attention is focussed on two particular,
Ambjorn, Barrett, Bock, DeWitt, Friedman, Giulini, Hamber, Hamber, Hamber, Hartle, Hartle, Holm, Morse, Ponzano, R.M. Williams, Regge, Roček, Turaev, Williams, Witten   +19 more
core   +2 more sources

Intermolecular Interactions as Driving Force of Increasing Multiphoton Absorption in a Perylene Diimide‐Based Coordination Polymer

Advanced Functional Materials, EarlyView.
This study uncovers the unexplored role of intermolecular interactions in multiphoton absorption in coordination polymers. By analyzing [Zn2tpda(DMA)2(DMF)0.3], it shows how the electronic coupling of the chromophores and confinement in the MOF enhance two‐and three‐photon absorption.
Simon Nicolas Deger, Anna Mauri, Yang Cui, Sebastian Josef Weishäupl, Ali Deniz Özdemir, Hamad Syed, Aleksandr Ovsianikov, Wolfgang Wenzel, Alexander Pöthig, Jürgen Hauer, Mariana Kozlowska, Roland Augustinus Fischer   +11 more
wiley   +1 more source

A tight security reduction in the quantum random oracle model for code-based signature schemes [PDF]

, 2017
Quantum secure signature schemes have a lot of attention recently, in particular because of the NIST call to standardize quantum safe cryptography. However, only few signature schemes can have concrete quantum security because of technical difficulties ...
Chailloux, André, Debris-Alazard, Thomas   +1 more
core   +1 more source

Multi-dimensional classical and quantum cosmology: Exact solutions, signature transition and stabilization

, 2003
We study the classical and quantum cosmology of a $(4+d)$-dimensional spacetime minimally coupled to a scalar field and present exact solutions for the resulting field equations for the case where the universe is spatially flat.
A. Mazumdar, D.H. Coule, D.H. Lyth, F. Darabi, Fatemeh Ahmadi, G.W. Gibbons, Hamid Reza Sepangi, I. Antoniadis, J.P. Mbelek, J.W. York, K. Ghafoori-Tabrizi, K.A. Bronnikov, L. Randall, L. Randall, M. Rainer, N. Arkani-Hamed, N. Arkani-Hamed, P.S. Wesson, S. Mignemi, S.S. Gousheh, Shahram Jalalzadeh, T. Dereli, U. Bleyer, U. Gunther, U. Gunther, U. Kasper   +25 more
core   +1 more source

Entanglement of transverse modes in a pendular cavity [PDF]

, 2001
We study the phenomena that arise in the transverse structure of electromagnetic field impinging on a linear Fabry-Perot cavity with an oscillating end mirror.
Gatti, Alessandra, Mancini, Stefano
core   +2 more sources

Quantum Features and Signatures of Quantum Thermal Machines [PDF]

, 2018
The aim of this book chapter is to indicate how quantum phenomena are affecting the operation of microscopic thermal machines, such as engines and refrigerators. As converting heat to work is one of the fundamental concerns in thermodynamics, the platform of quantum-thermal machines sheds light on thermodynamics in the quantum regime.
Levy, Amikam, Gelbwaser-Klimovsky, David
openaire   +2 more sources

Intramolecular Down‐ and Up‐Conversion in Dimeric Tetracene Complexes Centered via Platinum(II) and Palladium(II)

Advanced Functional Materials, EarlyView.
Metal‐tetracene dimeric complexes are synthesized through the pyridyl coordination to either Pt(II) or Pd(II). Photophysical properties are systematically compared as a function of the metal using steady‐state and time‐resolved spectroscopy. The Pt(II) dimer exhibits efficient intramolecular singlet fission and subsequent intramolecular up‐conversion ...
Yifan Bo, Yuxuan Hou, Melchor Matabuena, Rik R. Tykwinski, Dirk M. Guldi   +4 more
wiley   +1 more source

Quantum Proxy Signature Scheme with Discrete Time Quantum Walks and Quantum One-Time Pad CNOT Operation

Applied Sciences, 2020
The quantum proxy signature is one of the most significant formalisms in quantum signatures. We put forward a quantum proxy signature scheme using quantum walk-based teleportation and quantum one-time pad CNOT (QOTP-CNOT) operation, which includes four ...
Yanyan Feng, Qian Zhang, Jinjing Shi, Shuhui Chen, Ronghua Shi   +4 more
doaj   +1 more source

Signature change events: A challenge for quantum gravity?

, 2010
Within the framework of either Euclidian (functional-integral) quantum gravity or canonical general relativity the signature of the manifold is a priori unconstrained.
Alty L, Ambjorn J Loll R Watabiki Y Westra W Zohren S, Angela White, Barceló C, Basu S, Calzetta E A Hu B L, Calzetta E A Hu B L, Dowker F, Dray T, Dray T Hellaby C, Elizalde E, Ellis G, Gibbons G W, Greensite J, Hawking S W, Hawking S W, Hawking S W, Hawking S W, Hayward S A, Hayward S A, Hayward S A, Hayward S A, Hayward S A, Hayward S A, Horowitz G T, Landau L D, Liberati S, Liberati S Jacobson T A Mattingly D, Manogue T Dray C A, Matt Visser, Mattingly D, Mattingly D, Merzbacher E, Odintsov S D, Schutzhold R Unruh W G, Silke Weinfurtner, Sylvester J J, Teitelboim C, Visser M, Visser M, Visser M, Visser M, Visser M, Visser M Barceló C Liberati S, Weinfurtner S, Weinfurtner S, Weinfurtner S, Weinfurtner S Jain P Visser M Gardiner C W   +47 more
core   +2 more sources