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We propose that a strongly interacting particle is a finite region of space to which fields are confined. The confinement is accomplished in a Lorentz-invariant way by endowing the finite region with a constant energy per unit volume, B. We call this finite region a "bag. " The contained fields may be either fermions or bosons and may have any spin; they(More)
2453 diode (VID), that had five NDR regions. The five tunneling structures wcrc separated from each other by 500-A n+ InGaAs layers which destroyed electron coherence between the tunneling regions such that each resonant-tunneling structure switched sequentially with increasing bias. The room-temperature I-V characteristics of the VID (diameter of 62 p m)(More)
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