i2ns

Session

Science cases (Chair: Philippe Bourges)

19 Oct 2021, 14:00

5. Pyrochlores magnets, spin ice and quantum spin ice physics: the neutron scattering perspective

Sylvain PETIT (LLB), Elsa Lhotel (Institut Néel CNRS), Stephane Raymond, Jacques Ollivier, Mélanie LEGER (Institut Néel), Eric RESSOUCHE (CEA-Grenoble), Monica CIOMAGA-HATNEAN (Warwick University), Geetha BALAKRISHNAN (Warwick University), Andrew WILDES (ILL)

19/10/2021, 14:35

Pyrochlores magnets, spin ice and quantum spin ice physics: the neutron scattering perspective

Sylvain PETIT1, Elsa LHOTEL2, Mélanie LEGER1,2 Monica CIOMAGA HATNEAN3, Jacques OLLIVIER4, Andrew R. WILDES4, Stéphane RAYMOND5, Eric RESSOUCHE5, Geetha BALAKRISHNAN3

1Institut Néel, CNRS and Université Grenoble Alpes, 38000 Grenoble, France
2Laboratoire Léon Brillouin, Université Paris-Saclay,...

33. Exploring the Shastry-Sutherland compound, Sr2Cu(BO3)2, by using inelastic neutron scattering with high pressures and high magnetic fields

Ellen FOGH

19/10/2021, 15:05

Chasing new states of quantum matter is a central element in condensed matter physics, motivated both by fundamental curiosity but also by the need for a better understanding of many-body quantum effects for future technologies. Of particular interest are frustrated magnets where competing interactions may lead to exotic magnetic states and an external parameter such as magnetic field or...

28. Quantum Critical Phenomena in Metals with Competing Interactions Quantum

Daniel MAZZONE

19/10/2021, 16:00

Quantum phase transitions (QPTs) are arguably one of the most intriguing phenomena that can occur when
the electronic ground state of strongly correlated metals are tuned by external parameters such as pressure,
magnetic field or chemical substitution. They define transitions between different states of matter that are
driven by quantum (as opposed to thermal) fluctuations. The strong quantum...

31. Spin-orbital excitations in d-transition metal ion compounds

Dr Chris Stock (University of Edinburgh)

19/10/2021, 16:30

We will discuss a framework for modeling and understanding the magnetic excitations in localized, intermediate coupling magnets where the interplay between spin-orbit coupling, magnetic exchange, and crystal-field effects create unconventional ground states. A spin-orbit exciton approach for modelling these excitations is developed based upon a Hamiltonian which explicitly incorporates...