15 citations
3 papers
quant-ph2005★ 15 cited
Spectral Narrowing via Quantum Coherence
Eugeniy E. Mikhailov, Vladimir A. Sautenkov, Yuri V. Rostovtsev +4
We have studied the transmission of an optically thick Rb vapor that is illuminated by monochromatic and noise broaden laser fields in Lambda configuration. The spectral width of t…
physics.chem-ph2004★ 1 cited
Extracting Work From A Single Heat Bath
Arbab A. Khan, M. S. Ansari
We present here a machine that is capable of extracting work from a single heat bath. Although no significant temperature gradient is involved in the operation of the machine, yet…
physics.gen-ph2004
Why Time is Future Oriented
Shahid N. Afridi, M. Khalid Khan
We assume that the universe consists of clusters which in turns have sub-clusters and the sub-clusters have sub-subclusters and so on. Confining to three-dimensional space, it is s…