Read article 'Testing models for quantum gravity'
General relativity made Einstein an instant success. However, reconciling the theory with quantum mechanics has proved to be a formidable task, which is far from complete. Nick Mavromatos explains.
Read article 'Superluminal phenomena shed new light on time'
Is it possible to travel faster than light? Can we travel back in time, or send signals into the past? These questions have intrigued physicists since the discovery of special relativity nearly a cent...
Read article 'DESY workshop combines gravity and particle physics'
Gravity and particle physics took centre stage at last year's DESY theory workshop. As chairman of the organizing committee Dieter Lüst reports, there was plenty to talk about.
Read article 'Bose-Einstein condensation revisited'
The award of the 2001 Nobel Prize for Physics to Eric Cornell, Wolfgang Ketterle and Carl Wieman for their "achievement of Bose-Einstein condensation in dilute gases of alkali atoms and for early fun...
Read article 'Looking back on the story of the space-time odyssey'
The formal inauguration of the Center for Theoretical Physics at the University of Michigan brought together distinguished speakers from a range of disciplines to look back on the achievements of phy...
Read article 'Fifty years of the renormalization group'
Renormalization was the breakthrough that made quantum field theory respectable in the late 1940s. Since then, renormalization procedures, particularly the renormalization group method, have remained ...
Read article 'The Supersymmetric World: The Beginnings of the Theory'
Gianfrancesco Giudice reviews in 2001 The Supersymmetric World: The Beginnings of the Theory.
Read article 'Workshop looks through the lattice'
Faced with the difficulty of doing exact calculations, theorists are turning to approximation techniques to understand and predict what happens at the quark level.
Read article 'Anomalies in Quantum Field Theory'
Raymond Stora reviews in 2001 Anomalies in Quantum Field Theory.
Read article 'Glimpses of superhistory'
Nearly 30 years after its discovery, supersymmetry remains the prime candidate to cure all of the ills of our understanding of elementary particle behaviour. Putting aside the question of experimenta...
