The project goal is to investigate realistic models of frustrated magnets of current interest and explore signatures of spin liquidity. Understanding the phenomenology of these materials and their proximity to spin liquid phases is indispensable for their future exploitation in quantum technologies and computing applications. The project will provide opportunities to endeavour into a very vibrant field of condensed matter research, acquire expertise in numerical methods (such as Monte Carlo, multiboson expansions, exact diagonalizations and typicality), and work on experimentally driven problems of growing interest.
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According to Boltzmann statistics, matter tends to maximise its entropy at high temperatures and minimize its energy at low temperatures. A ferromagnet offers the simplest scenario for this battle between energy and entropy : Below a characteristic temperature TC, the underlying array of spins minimize their energy by aligning along a common direction, whereas above TC spins fluctuate in random directions. Strongly correlated magnets offer a much richer scenario, as their energy can be minimised in an infinite number of ways. At low temperatures, such systems fluctuate over a macroscopic number of competing states and can thus evade long range ordering, opening the door for more exotic phases with long-range entanglement and fractionalized excitations [2,3]. This project will explore the experimental signatures of such systems using realistic microscopic models of materials of current interest, using a mix of analytical and numerical techniques .
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Entry requirements for United Kingdom
Applicants should have, or expect to achieve, at least a 2:1 honours degree (or equivalent) in physics or a related subject. A relevant master’s degree and/or experience in one or more of the following will be an advantage: physics.
Please see the programme website for international entry requirements by country.
English language requirements
Applicants must meet the minimum English language requirements. Further details are available on the International website.
HOW TO APPLY
All applications should be made online. Under programme name, select Physics. Please quote reference number: IR/PH/2022.