Seminare

The radius of the proton, generally assumed to be a well measured and understood  quantity has recently come under scrutiny due to highly precise, yet conflicting, experimental results. These new results have generated a host of interpretations, none of which are completely satisfactory. [mehr]

Large spin systems can exhibit unconventional types of magnetic ordering different from the ferromagnetic or N\'eel-like antiferromagnetic order commonly found in spin 1/2 systems. [mehr]

The quantum cascade laser has demonstrated the ability to provide gain over a very broad wavelength range. [mehr]