Keith McEwen's 65th Birthday Celebration

Speaker / Host: 
Date: 
Friday, 4 June 2010 - 10:30am to 5:00pm
Type: 
Event
Campus: 
UCL

Announcement:
You are invited to attend a Symposium to celebrate the 65th birthday of

 Professor Keith McEwen

"New Pictures of Strongly Correlated Electron Systems from Large Facilities"
4 June 2010
Harrie Massey Lecture Theatre, University College London

Provisional Programme

10:30              Coffee and Registration

10:55-11:00     Gabriel Aeppli - Introduction and welcome

11:00-11: 30    Qimiao Si - Quantum Criticality: Many-Body Systems on the Brink

Physics of biomolecular systems

Date: 
Tuesday, 20 April 2010 (All day)
Type: 
Seminar
Campus: 
UCL

UCL Systems Biology and the Department of Physics and Astronomy will hold a joint meeting to give an overview of biological physics activities across UCL and stimulate interactions between physicists and life scientists.

Speakers: David Bogle, Tom Duke, Bart Hoogenboom, Alexandra Olaya-Castro, Gabriel Waksman

Location: LMCB seminar room

Please send details of seminars to be included to Sophie Cross

Over 20 New Ph.D. Positions Created at the LCN

The London Centre for Nanotechnology is pleased to announce the creation of over 20 new Ph. D. positions for the current academic year. The positions cover all aspects of research at the LCN and are available immediately. We welcome applications from students in any scientific discipline who are able to demonstrate a high level of academic achievement and a strong motivation to do scientific research.

A full list of the new Ph.D. positions is available here, with the contact email of the supervisors.

Large Current to Flow with Zero Resistance

How can one increase the maximum current which can flow in a superconductor without any resistance? Counter-intuitively the answer in some circumstances is to increase the dissipation (i.e. the energy losses) in the superconductor, as Paul Warburton and his colleagues from LCN and the University of Oxford show.

LCN Author(s): 

Refining nanomechanical resonators

Due to their smallness, nanomechanical resonators can sense masses down to a few atoms in vacuum. They typically transduce added mass into a change in resonance frequency of an oscillating cantilever. Such a description of the sensor response, however, is deceptively simple. In reality, the sensor response is determined not only by the mass, but also by the rigidity of adsorbed material.

New magnetic tuning method enhances data storage

Researchers in Chicago and London have developed a method for controlling the properties of magnets that could be used to improve the storage capacity of next-generation computer hard drives.

Magnets that can readily switch their polarity are widely used in the computer industry for data storage, but they present an engineering challenge: A magnet’s polarity must be easily switched when writing data to memory, but be difficult to switch when storing or reading it.

Exotic excitation in superconductors mapped at atomic resolution

High-temperature superconductors conduct electrical currents, without any resistance, up to temperatures above the boiling point of nitrogen. One of its “champions” is Bi2Sr2Ca2Cu3O10+δ (Bi-2223), a material that is superconducting up to a critical temperature of 110 Kelvin. Though high-temperature superconductors were discovered more than two decades ago (Nobel Prize 1987), the mechanism leading to their superconducting state is still far from understood.

LCN Author(s): 

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