Explore the words cloud of the PoLiChroM project. It provides you a very rough idea of what is the project "PoLiChroM" about.
The following table provides information about the project.
CONSIGLIO NAZIONALE DELLE RICERCHE
|Coordinator Country||Italy [IT]|
|Total cost||1˙495˙000 €|
|EC max contribution||1˙495˙000 € (100%)|
1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC))
|Duration (year-month-day)||from 2015-04-01 to 2020-03-31|
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|1||CONSIGLIO NAZIONALE DELLE RICERCHE||IT (ROMA)||coordinator||1˙495˙000.00|
Superfluidity and magnetism characterize a wealth of interacting fermion systems encompassing solid-state, nuclear and quark matter environments. From the interplay of these phenomena, the two following issues have been raised: Can superfluid pairing bear a mismatch in the two Fermi surfaces? Can a homogeneous fermion system become ferromagnetic via a zero-ranged interparticle repulsion? Despite decades of interdisciplinary investigations, such questions have not gotten undisputed answers so far. Here, I will experimentally address these problems with a new model system composed of ultracold fermionic Chromium and Lithium atoms with resonant interactions. The two species will mimic electrons of different spins, or quarks of different colours, but exhibiting the high degree of control of an atomic quantum simulator. In particular, two features make this system stand far beyond any other available one: the peculiar Chromium-Lithium mass ratio enables a resonant control of three-body elastic interactions on top of the usual two-body ones, together with an extraordinary suppression of atom recombination into paired states in the regime of strong interspecies repulsion. The first property greatly enhances the observability of elusive polarized superfluid regimes, such as the Fulde-Ferrel-Larkin-Ovchinnikov phase, where pairs condense in nonzero momentum states, and the Sarma or “breached pair” phase, where a homogeneous gapless superfluid coexists with unbound particles. The second makes such mixture a prime platform for the quantum simulation of Stoner’s model for itinerant ferromagnetism, whose study has been denied in nowadays experiments, where pairing instability plagues the formation of sizeable magnetic domains. I will use high-resolution imaging of the system and state-of-the-art spectroscopy schemes for disclosing such exotic phases via a thorough investigation of the phase diagrams of Fermi-Fermi mixtures with attractive or repulsive interactions.
|year||authors and title||journal||last update|
C. Simonelli, E. Neri, A. Ciamei, I. Goti, M. Inguscio, A. Trenkwalder, M. Zaccanti
Realization of a high power optical trapping setup free from thermal lensing effects
published pages: 27215, ISSN: 1094-4087, DOI: 10.1364/oe.27.027215
|Optics Express 27/19||2019-11-15|
A. Amico, F. Scazza, G. Valtolina, P.â€‰E.â€‰S. Tavares, W. Ketterle, M. Inguscio, G. Roati, M. Zaccanti
Time-Resolved Observation of Competing Attractive and Repulsive Short-Range Correlations in Strongly Interacting Fermi Gases
published pages: , ISSN: 0031-9007, DOI: 10.1103/PhysRevLett.121.253602
|Physical Review Letters 121/25||2019-11-15|
G. Valtolina, F. Scazza, A. Amico, A. Burchianti, A. Recati, T. Enss, M. Inguscio, M. Zaccanti, G. Roati
Exploring the ferromagnetic behaviour of a repulsive Fermi gas through spin dynamics
published pages: 704-709, ISSN: 1745-2473, DOI: 10.1038/nphys4108
|Nature Physics 13/7||2019-10-10|
F. Scazza, G. Valtolina, P. Massignan, A. Recati, A. Amico, A. Burchianti, C. Fort, M. Inguscio, M. Zaccanti, G. Roati
Repulsive Fermi Polarons in a Resonant Mixture of Ultracold Li 6 Atoms
published pages: , ISSN: 0031-9007, DOI: 10.1103/physrevlett.118.083602
|Physical Review Letters 118/8||2019-10-10|
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