Dipòsit Digital de Documents de la UAB 4 registres trobats  La cerca s'ha fet en 0.01 segons. 
1.
22 p, 562.0 KB Unsupervised classification of quantum data / Sentís Herrera, Gael (Universität Siegen. Naturwissenschaftlich-Technische Fakultät) ; Monras Blasi, Àlex (Universitat Autònoma de Barcelona. Departament de Física) ; Muñoz Tapia, Ramon (Universitat Autònoma de Barcelona. Departament de Física) ; Calsamiglia Costa, John (Universitat Autònoma de Barcelona. Departament de Física) ; Bagán Capella, Emili (Universitat Autònoma de Barcelona. Departament de Física)
We introduce the problem of unsupervised classification of quantum data, namely, of systems whose quantum states are unknown. We derive the optimal single-shot protocol for the binary case, where the states in a disordered input array are of two types. [...]
2019 - 10.1103/PhysRevX.9.041029
Physical review X, Vol. 9 Núm. art. 041029 (2019)  
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8 p, 743.4 KB Ptsi clustering in silicon probed by transport spectroscopy / Mongillo, Massimo (Commissariat à l'énergie atomique et aux énergies alternatives. Institute for Nanoscience and Cryogenics) ; Spathis, Panayotis (Commissariat à l'énergie atomique et aux énergies alternatives. Institute for Nanoscience and Cryogenics) ; Katsaros, Georgios (Commissariat à l'énergie atomique et aux énergies alternatives. Institute for Nanoscience and Cryogenics) ; De Franceschi, Silvano (Commissariat à l'énergie atomique et aux énergies alternatives. Institute for Nanoscience and Cryogenics) ; Gentile, Pascal (Commissariat à l'énergie atomique et aux énergies alternatives. Institute for Nanoscience and Cryogenics) ; Rurali, Riccardo (Institut de Ciència de Materials de Barcelona) ; Cartoixà Soler, Xavier (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica)
Metal silicides formed by means of thermal annealing processes are employed as contact materials in microelectronics. Control of the structure of silicide/silicon interfaces becomes a critical issue when the characteristic size of the device is reduced below a few tens of nanometers. [...]
2014 - 10.1103/PhysRevX.3.041025
Physical review X, Vol. 3, issue. 4 (Dec. 2014) , art. e041025  
3.
14 p, 3.2 MB Weakly-Correlated nature of ferromagnetism in nonsymmorphic CrO2 revealed by bulk-sensitive soft-X-ray ARPES / Bisti, Federico (ALBA Laboratori de Llum de Sincrotró) ; Rogalev, Victor A. (Paul Scherrer Institute) ; Karolak, Michael (Universität Würzburg) ; Paul, S. (University of Alabama) ; Gupta, Arunava (University of Alabama) ; Schmitt, Thorsten (Paul Scherrer Institute) ; Güntherodt, G. (RWTH Aachen University) ; Eyert, Volker (Materials Design SARL) ; Sangiovanni, Giorgio (Universität Würzburg) ; Profeta, Gianni (CNR-SPIN L'Aquila) ; Strocov, Vladimir N. (Paul Scherrer Institute)
Chromium dioxide CrO belongs to a class of materials called ferromagnetic half-metals, whose peculiar aspect is that they act as a metal in one spin orientation and as a semiconductor or insulator in the opposite one. [...]
2017 - 10.1103/PhysRevX.7.041067
Physical review X, Vol. 7, Issue 4 (December 2017) , art. 041067  
4.
19 p, 513.4 KB Equilibration time scales of physically relevant observables / García-Pintos, Luis Pedro (University of Bristol. School of Mathematics) ; Linden, Noah (University of Bristol. School of Mathematics) ; Malabarba, Artur S. L. (Chapman University. Institute for Quantum Studies) ; Short, Anthony J. (Chapman University. Institute for Quantum Studies) ; Winter, Andreas (Institució Catalana de Recerca i Estudis Avançats)
We address the problem of understanding, from first principles, the conditions under which a quantum system equilibrates rapidly with respect to a concrete observable. On the one hand, previously known general upper bounds on the time scales of equilibration were unrealistically long, with times scaling linearly with the dimension of the Hilbert space. [...]
2017 - 10.1103/PhysRevX.7.031027
Physical review X, Vol. 7, issue 3 (Aug. 2017) , e031027  

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