NatureSir Norman Lockyer Macmillan Journals Limited, 2007 - Science |
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Page 153
... atoms share the same quantum state . At even higher densi- ties , one might expect the material to become Figure 1 | Positronium gets it together . a , In free space , two atoms of positronium ( each consisting of an electron and its ...
... atoms share the same quantum state . At even higher densi- ties , one might expect the material to become Figure 1 | Positronium gets it together . a , In free space , two atoms of positronium ( each consisting of an electron and its ...
Page 195
... atom , known as positronium or Ps ( ref . 1 ) . In 1946 , Wheeler speculated that two Ps atoms may combine to form the di- positronium molecule ( Ps2 ) , with a binding energy of 0.4eV . More recently , this molecule has been studied ...
... atom , known as positronium or Ps ( ref . 1 ) . In 1946 , Wheeler speculated that two Ps atoms may combine to form the di- positronium molecule ( Ps2 ) , with a binding energy of 0.4eV . More recently , this molecule has been studied ...
Page 547
... atoms is held in a magnetic trap , and divided in two by a laser beam . a , If the atoms on one side are compressed quickly by displacing the beam , they can tunnel through the barrier to relieve the pressure . But owing to interference ...
... atoms is held in a magnetic trap , and divided in two by a laser beam . a , If the atoms on one side are compressed quickly by displacing the beam , they can tunnel through the barrier to relieve the pressure . But owing to interference ...
Contents
Crinan St London N19XW | 4 |
can China beat the odds and save the Siberian tiger? News Feature p 16 96 Polo inhibits progenitor selfrenewal and regulates Numb | 96 |
An asteroid breakup 160 Myr ago as the probable source of DN Forthal P WHIParren PA Marx | 29 |
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