Sort by: Per Page:
1.
Viewpoint
|
Physics 2, 91 (2009) – Published November 2, 2009 Optics Particles & Fields Metamaterials Čerenkov radiation with the emission cone reversed has been observed in a metamaterial with negative refractive index. |
2.
Trends
|
Physics 2, 88 (2009) – Published October 26, 2009 Atomic & Molecular Physics Particles & Fields Fluid Dynamics Is there a fundamental lower bound on viscosity? To answer this question, we can look at the coldest and hottest fluids that laboratories are able to produce. |
3.
Synopsis
|
Published October 12, 2009 A model of the quark-gluon plasma predicts it could emit the sort of ultrashort light pulses that would be useful for high-speed spectroscopy. |
4.
Viewpoint
|
Physics 2, 79 (2009) – Published September 21, 2009 Particles & Fields Gravitation A mathematical formulism makes a step forward in proving the AdS/CFT correspondence that connects quantum mechanics with gravity. |
5.
Synopsis
|
Published August 31, 2009 Astrophysics Nuclear Physics Particles & Fields The Moon might be stranger than we think. |
6.
Synopsis
|
Published August 31, 2009 New particles decaying to the heaviest elementary particles might reveal the nature of electroweak symmetry breaking. |
7.
Viewpoint
|
Physics 2, 71 (2009) – Published August 24, 2009 A recent theory of gravity has stimulated intense debate and many explorations of its implications. |
8.
Synopsis
|
Published August 24, 2009 Two collaborations at Fermilab observe the production of single top quarks. |
9.
Viewpoint
|
Physics 2, 70 (2009) – Published August 17, 2009 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. |
10.
Viewpoint
|
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. |
11.
Synopsis
|
Published July 13, 2009 Atomic & Molecular Physics Particles & Fields Monopoles with a single magnetic charge could be simulated in Bose-Einstein condensates |
12.
Viewpoint
|
Physics 2, 58 (2009) – Published July 6, 2009 Atomic & Molecular Physics Particles & Fields Measuring quantum interference of atomic matter waves may help detect experimental signatures of a fundamental theory of physics. |
13.
Viewpoint
|
Physics 2, 44 (2009) – Published May 26, 2009 Particles & Fields Astrophysics New connections have been made between experimental astrophysical signatures and theories that unify the electromagnetic, weak, and strong forces, called grand unified theories. |
14.
Synopsis
|
Published May 26, 2009 Astrophysics Cosmology Particles & Fields Detectors buried beneath the Antarctic ice place stringent limits on the presence of dark matter particles, called neutralinos, in the sun. |
15.
Viewpoint
|
Physics 2, 37 (2009) – Published May 4, 2009 Particles & Fields Astrophysics Cosmology New results from the Fermi Gamma-Ray Space Telescope, the most precise to date in the energy range 20 GeV to 1 TeV, should help resolve whether cosmic rays composed of the lightest charged particles, i.e., electrons and positrons, come from dark matter or some other astrophysical source. |
16.
Viewpoint
|
Physics 2, 21 (2009) – Published March 16, 2009 Study of variations in the mass and interactions of quarks may reveal whether fundamental constants are governed by “environmental selection rules” that lead to complex universes capable of having observers. |
17.
Synopsis
|
Published February 23, 2009 Two antimatter measurements performed by the PAMELA experiment appear to lead to conflicting results. Now, theorists are exploring the extent to which these measurements can be reconciled. |
18.
Synopsis
|
Published February 9, 2009 Interactions between dark matter particles may explain unusual matter-antimatter production rates in the universe. |
19.
Viewpoint
|
Physics 2, 10 (2009) – Published February 2, 2009 Astrophysics Particles & Fields Cosmology Many cosmologists believe that antiprotons in cosmic rays come from the annihilation of dark matter. Data from the PAMELA experiment on board a Russian satellite provide an important test of this possibility. |
20.
Synopsis
|
Published February 2, 2009 Particles & Fields String Theory In particle physics theory, the presence of multiple metastable vacua gives rise to new possibilities for transitions between energy states. |
21.
Synopsis
|
Published January 26, 2009 Measurements at Fermilab hint at a new particle—but not the one they were looking to find. |
22.
Viewpoint
|
Physics 2, 5 (2009) – Published January 20, 2009 Particles & Fields Nuclear Physics The critical point is one of the main features of the phase diagram of strongly interacting quark-gluon matter. Finding this critical point in the lab will require luck and an understanding of the possible experimental signatures. |
23.
Synopsis
|
Published January 20, 2009 The results from a search at Fermilab for the Higgs boson edge closer to the predictions of the Standard Model. |
24.
Synopsis
|
Published January 12, 2009 Branes are multidimensional objects that arise in the formulation of string theory. Finding more general ways to describe these objects mathematically often leads to new insights into string theory itself. |
25.
Viewpoint
|
Physics 2, 2 (2009) – Published January 5, 2009 Astrophysics Particles & Fields Cosmology New upper limits on the spin-independent interaction of WIMPs and nucleons marks the latest volley in the worldwide effort to detect and identify particle dark matter. |
RSS Feed