Publication

Watching ultrafast responses of structure and magnetism in condensed matter with momentum-resolved probes

Publications associées (71)

Robust metastable skyrmions and their triangular-square lattice structural transition in a high-temperature chiral magnet

Skyrmions, topologically protected nanometric spin vortices, are being investigated extensively in various magnets(1-11). Among them, many structurally chiral cubic magnets host the triangular-lattice skyrmion crystal (SkX) as the thermodynamic equilibrium ...

Nature Publishing Group2016

SmB6 electron-phonon coupling constant from time- and angle-resolved photoelectron spectroscopy

Alberto Crepaldi, Emmanouil Frantzeskakis

SmB6 is a mixed valence Kondo system resulting from the hybridization between localized f electrons and delocalized d electrons. We have investigated its out-of-equilibrium electron dynamics by means of time- and angle-resolved photoelectron spectroscopy. ...

Amer Physical Soc2016

Bright solitons in non-equilibrium coherent quantum matter

Hugo Pierre Alexandre Flayac

We theoretically demonstrate a mechanism for bright soliton generation in spinor non-equilibrium Bose-Einstein condensates made of atoms or quasi-particles such as polaritons in semiconductor microcavities. We give analytical expressions for bright (half) ...

Royal Soc2016

Effects of strain on the stability of tetragonal ZrO2

Anirudh Raju Natarajan

The tetragonal form of ZrO2 is used in a wide range of technologies. In this study, we systematically explore the effect of strain on the relative stability of symmetrically equivalent tetragonal variants of ZrO2 using first-principles density functional t ...

APS2016

Electronic Structure of Graphene and Topological Insulators

Jens Christian Johannsen

The study of the electronic band structure of solids is a central task in materials science. Indeed, knowing a material's band structure is key to an understanding of its macroscopic electronic properties. In recent years, a new class of materials has emer ...

EPFL2015

Dissipative soliton protocols in semiconductor microcavities at finite temperatures

Hugo Pierre Alexandre Flayac

We consider exciton polaritons in a semiconductor microcavity with a saturable absorber in the growth direction of the heterostructure. This feature promotes additional nonlinear losses of the system with the emergence of bistability of the condensate part ...

Amer Physical Soc2015

Picosecond acoustics method for measuring the thermodynamical properties of solids and liquids at high pressure and high temperature

Livia Eleonora Bove Kado

Based on the original combination of picosecond acoustics and diamond anvils cell, recent improvements to accurately measure hypersonic sound velocities of liquids and solids under extreme conditions are described. To illustrate the capability of this tech ...

Elsevier Science Bv2014

Hsp70 chaperones are non-equilibrium machines that achieve ultra-affinity by energy consumption

Paolo De Los Rios, Alessandro Barducci

70-kDa Heat shock proteins are ATP-driven molecular chaperones that perform a myriad of essential cellular tasks. Although structural and biochemical studies have shed some light on their functional mechanism, the fundamental issue of the role of energy co ...

Elife Sciences Publications Ltd2014

Bose-Einstein condensation of photons in an ideal atomic gas

We study peculiarities of Bose-Einstein condensation of photons that are in thermodynamic equilibrium with atoms of noninteracting gases. General equations of the thermodynamic equilibrium of the system under study are obtained. We examine solutions of the ...

American Physical Society2013

Investigation of network flexibility and identification of reaction essentiality of human host cells infected by S. flexneri

Vassily Hatzimanikatis, Ljubisa Miskovic, Keng Cher Soh, Anirikh Chakrabarti

We have developed a consistently reduced core model for HeLa based on the genome scale human reconstruction. This reduced model includes the central carbon pathways, the electron transport chains, all the necessary transport and exchange reactions and the ...

2013

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