Browse Physics

Marc J. J. Vrakking, Physics 2, 72 (2009) – Published August 31, 2009

Atomic & Molecular Physics Optics

Calculations show that with new short pulse x-ray light sources, it should be possible to use photoelectron emission to make movies of changes in molecular structure.

Published August 31, 2009

Nuclear Physics

A laser spectroscopy technique that has helped resolve a puzzle about the structure of ⁵⁷Cu could prove useful in studying other exotic, short-lived nuclei.

Published August 31, 2009

Astrophysics Nuclear Physics Particles & Fields

The Moon might be stranger than we think.

Published August 31, 2009

Particles & Fields

New particles decaying to the heaviest elementary particles might reveal the nature of electroweak symmetry breaking.

Horatiu Nastase, Physics 2, 71 (2009) – Published August 24, 2009

Particles & Fields

A recent theory of gravity has stimulated intense debate and many explorations of its implications.

Published August 24, 2009

Particles & Fields

Two collaborations at Fermilab observe the production of single top quarks.

Published August 24, 2009

Atomic & Molecular Physics

Patterns of ultracold atoms in an optical lattice can be engineered on a microscale by selectively removing atoms from individual sites.

Published August 24, 2009

Gravitation Mesoscopics

Can quantum electronic devices offer an experimental system that mimics the behavior of black holes?

Hermann Nicolai, Physics 2, 70 (2009) – Published August 17, 2009

Particles & Fields

Quantum field theoretic extensions of Einstein’s theory of gravity tend to suffer from incurable infinities, but a theory called N=8 supergravity may actually avoid them—against expectations held for almost 30 years.

Michael Wiescher, Physics 2, 69 (2009) – Published August 17, 2009

Astrophysics Nuclear Physics

Advances in experimental techniques that measure nuclear reactions that occur in stars are opening new opportunities for understanding the stellar and chemical evolution of our Universe.

Published August 17, 2009

Mesoscopics

In integer quantum Hall systems, do theory and experiment agree for the wrong reasons?

Published August 17, 2009

Nanophysics

Fullerenes enclosing a metallic complex are found to form an ordered array with preferred alignment on a copper surface.

Marivi Fernández-Serra, Physics 2, 67 (2009) – Published August 10, 2009

Atomic & Molecular Physics Statistical Mechanics Soft Matter

Experiments on melting of small water clusters open the door to the study of the size-dependent phase diagram of water.

Klaus Jungmann, Physics 2, 68 (2009) – Published August 10, 2009

Atomic & Molecular Physics Particles & Fields Nuclear Physics

A huge, predicted atomic parity violation has now been observed in ytterbium, further aiding tabletop experimental searches for physics beyond the standard model that complement ongoing efforts at high-energy colliders.

Published August 10, 2009

Graphene

The mobility of charge carriers in epitaxial bilayer graphene may be limited by structural domains.

N. W. Ashcroft, Physics 2, 65 (2009) – Published August 3, 2009

Chemical Physics

We can generally understand the way simple chemical combinations arise by assuming a standard valence structure for the elements, but a high-pressure study suggests that the rules for hydrogen may not be so easily pinned down.

Thomas Vojta, Physics 2, 66 (2009) – Published August 3, 2009

Mesoscopics Nanophysics Statistical Mechanics

Quantum states in disordered solids are characterized by wild spatial fluctuations. As a result, the behavior of a single typical wave function differs markedly from the ensemble average.

Published August 3, 2009

Atomic & Molecular Physics

An optical-lattice clock based on atoms with spin-1/2 nuclei could potentially challenge the current clock standard.

Published August 3, 2009

Interdisciplinary Physics

A different way of modeling networks allows an exact derivation of their properties.

Published August 3, 2009

Graphene Nonlinear Dynamics

Graphene is not just your everyday relativistic quantum playground; it may have ghostly chaotic features as well.

Published August 3, 2009

Atomic & Molecular Physics

Weakly bound three-body states have now been observed in mixtures of two different ultracold atoms.

Karen L. Kavanagh, Physics 2, 63 (2009) – Published July 27, 2009

Semiconductor Physics

A new generation of electron microscopes that correct for spherical aberration may be able to chart the positions of individual atoms as they diffuse through a crystal.

Georg Held, Physics 2, 64 (2009) – Published July 27, 2009

Nanophysics

The complete geometry of C₆₀ molecules adsorbed on a silver surface has been determined for the first time with low-energy electron diffraction.

Published July 27, 2009

Interdisciplinary Physics Nonlinear Dynamics

Can physicists still learn anything about molecular motion from the classical pendulum?

Natalia Berloff, Boris Svistunov, Physics 2, 61 (2009) – Published July 20, 2009

Atomic & Molecular Physics Fluid Dynamics

Chaotic matter waves formed by perturbing a Bose-Einstein condensate may provide a valuable laboratory setting for understanding many different kinds of quantum-fluid turbulence.