See my related post on this subject as follows: Polariton are interesting as major player in LENR. Cheers: Axil
On Thu, Feb 14, 2013 at 3:15 AM, Axil Axil <[email protected]> wrote: > You all must know that the maximum temperature that can support > Bose-Einstein Condensate (BEC) formation is proportional to the mass of the > particle that comprises the BEC ensemble. > > The details of this realization are new to me and are a result of research > into the subject matter in this thread. > > For example, the photon can form BEC at very high temperatures; the > electron is not far behind. The proton can also form a BEC at room > temperature being relatively lite. > > Atoms are very massive. They require low temperatures to form a BEC. > > The question in my mind is what particle is forming a BEC discussed in > this thread? > > Cheers: Axil > On Fri, Feb 8, 2013 at 9:02 PM, Kevin O'Malley <[email protected]>wrote: > >> Hello Vorts: >> See below for confirmation from YE Kim that the formation of a BEC at >> room temperature gives his LENR theory a leg up. >> >> >> >> >> >> >> Kevin O'Malley <[email protected]> >> 1:22 PM (4 hours ago) >> to yekim, ayandas, pkb >> Hello Dr. Kim. I left you a voicemail regarding this. Does the formation >> of a BEC at room temperature make your theory of Deuteron Fusion more >> viable? Wasn't the main criticism of your theory that BECs couldn't form at >> higher temperatures? >> Y. E. Kim, "Bose-Einstein Condensate Theory of Deuteron Fusion in >> Metal", J. Condensed Matter Nucl. Sci. *4*, 188 (2011), >> best regards, >> Kevin O'Malley >> <408%20460%205707> >> >> -------------------------------------------------------------------------------------- >> >> http://www.pnas.org/content/early/2013/01/29/1210842110 >> >> Polariton Bose-Einstein condensate at room temperature in an Al(Ga)N >> nanowire-dielectric microcavity with a spatial potential trap >> >> Ayan Dasa,1, >> Pallab Bhattacharyaa,1, >> Junseok Heoa, >> Animesh Banerjeea, and >> Wei Guob >> >> Author Affiliations >> >> Edited by Paul L. McEuen, Cornell University, Ithaca, NY, and approved >> December 21, 2012 (received for review June 28, 2012) >> >> Abstract >> >> A spatial potential trap is formed in a 6.0-μm Al(Ga)N nanowire by >> varying the Al composition along its length during epitaxial growth. The >> polariton emission characteristics of a dielectric microcavity with the >> single nanowire embedded in-plane have been studied at room temperature. >> Excitation is provided at the Al(Ga)N end of the nanowire, and polariton >> emission is observed from the lowest bandgap GaN region within the >> potential trap. Comparison of the results with those measured in an >> identical microcavity with a uniform GaN nanowire and having an identical >> exciton-photon detuning suggests evaporative cooling of the polaritons as >> they are transported into the trap in the Al(Ga)N nanowire. Measurement of >> the spectral characteristics of the polariton emission, their momentum >> distribution, first-order spatial coherence, and time-resolved measurements >> of polariton cooling provides strong evidence of the formation of a >> near-equilibrium Bose-Einstein condensate in the GaN region of the nanowire >> at room temperature. In contrast, the condensate formed in the uniform GaN >> nanowire-dielectric microcavity without the spatial potential trap is only >> in self-equilibrium. >> >> Bose-Einstein condensation >> exciton-polariton >> Footnotes >> 1To whom correspondence may be addressed. >> E-mail: [email protected] or [email protected]. >> >> >> >> Author contributions: A.D. and P.B. designed research; A.D. and J.H. >> performed research; J.H., A.B., and W.G. contributed new reagents/analytic >> tools; A.D. analyzed data; and P.B. wrote the paper. >> >> The authors declare no conflict of interest. >> >> This article is a PNAS Direct Submission. >> >> This article contains supporting information online at >> http://www.pnas.org/lookup/suppl/doi:10.1073/pnas. >> 1210842110/-/DCSupplemental. >> >> Freely available online through the PNAS open access option. >> Reply >> Reply to all >> Forward >> Kim, Yeong E >> 5:24 PM (32 minutes ago) >> to me, ayandas, pkb >> >> Hi, Kevin,**** >> >> Yes, the formation of a BEC of deuterons (or other Bose nuclei) makes my >> theory more viable.**** >> >> ** ** >> >> The claim, made by some that BECs could not form at room temperatures, >> was based on an inconclusive conjecture**** >> >> which assumes that the Maxwell-Boltzmann (MB ) velocity distribution >> applies for deuterons in a metal.**** >> >> This conjecture was not based on any theories nor on any experimentally >> observed facts.**** >> >> The MB velocity distribution is for an ideal gas containing >> non-interacting particles.**** >> >> There are no justifications to assume the MB velocity distribution for >> deuterons in a metal.**** >> >> The published paper by Dasa, et al. quoted below indicates that the >> conjecture is not justified.**** >> >> ** ** >> >> I have stated at seminars and conferences (in the proceedings) that**** >> >> **** >> >> "The BEC formation of deuterons in metal at room temperatures depends on >> the velocity distribution**** >> >> of deuterons in metal at room temperatures. The velocity distribution of >> deuterons in metal has not**** >> >> determined by theories nor by experiments and is not expected to be the >> MB distribution"**** >> >> ** ** >> >> The published paper by Dasa, et al. supports the above statement.**** >> >> Yeong**** >> >> ** ** >> >> *keSent:* Friday, February 08, 2013 4:22 PM >> *To:* Kim, Yeong E >> *Cc:* [email protected]; [email protected] >> *Subject:* Bose Einstein Condensate formed at Room Temperature**** >> > >
