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Dimer Physics - from new Quantum Phases to Superconductivity

English title Dimer Physics - from new Quantum Phases to Superconductivity
Applicant Rønnow Henrik M.
Number 121898
Funding scheme Project funding (Div. I-III)
Research institution EPFL SB IPHYS CQSL Computational Quantum Science Laboratory)
Institution of higher education EPF Lausanne - EPFL
Main discipline Condensed Matter Physics
Start/End 01.01.2009 - 30.06.2010
Approved amount 216'119.00
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Keywords (11)

quantum magnetism; magneto-elastic; neutron scattering; Magnetism; phonons; Dimer; Singlet; Superconductivity; Sr2Cu(BO3)2; spin ladder; quantum phase transition

Lay Summary (English)

Lay summary
Quantum magnetism remains at the forefront of condensed matter physics. On one hand, it provides the ideal arena for developing and testing new fundamental concepts in solid-state and statistical physics, on the other hand it has a pivotal role in several classes of emerging materials with new electronic properties, e.g. the high-temperature superconducting cuprates. This project combines solid state synthesis, neutron scattering and bulk methods in the exploration of new quantum magnets, which encompas the archetype of quantum entanglment - the singlet dimer unit. The physics encountered in such systems range from quantum phase transitions to theoretical conjectures of supersolids and superconductivity.
Direct link to Lay Summary Last update: 21.02.2013

Responsible applicant and co-applicants


Associated projects

Number Title Start Funding scheme
116590 From Quantum Phase transitions to Addressable Spin Clusters 01.04.2007 Project funding (Div. I-III)
105151 High Temperature Superconductivity: Magnetic vs. Electronic Properties. 01.01.2005 Project funding (Div. I-III)
133815 Setup for studies of quantum phenomena in condensed matter systems at ultra-low temperatures in magnetic vector fields 01.04.2012 R'EQUIP
108042 Vibrating Quantum Magnets 01.10.2005 Project funding (Div. I-III)
130522 Quantum Magnetism - Dimer Physics and Dipolar Criticality 01.04.2010 Project funding (Div. I-III)
121397 Sub-Kelvin high sensitivity magnetometer for magnetic materials exploration 01.07.2008 R'EQUIP
117817 Magnetic excitations in novel metal-organic quantum materials and molecular magnets 01.01.2008 Project funding (Div. I-III)


The field of quantum magnetism remain at the forefront of condensed matterphysics.