Identical Particles

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Identical Particles

 

particles that have identical physical properties, including mass, spin, electric charge, and other intrinsic characteristics, such as quantum numbers. For example, all electrons in the universe are regarded as identical. Identical particles conform to the principle of indistinguishability. The funda mental indistinguishability of identical particles is a purely quantum-mechanical concept.

References in classic literature ?
The position of the lights rendered objects in the batteau distinguishable, both from the canoe and the shore; and the heavy fall on the water drew all eyes to the steward, as he lay struggling, for a moment, in sight.
And, then, as the black falcon wing on the banners of the advancing horsemen became distinguishable, they saw that it was the Outlaw of Torn.
From below came the sound of voices, quite distinguishable upon the still night air.
Jerry remembered another high-grass adventure, when he and his brother Michael had fought Owmi, another black distinguishable for the cogged wheels of an alarm clock on his chest.
A person distinguishable from a civilian by his uniform
As for those captive tribes, themselves were they Who wrought their own captivity, fell off From God to worship calves, the deities Of Egypt, Baal next and Ashtaroth, And all the idolatries of heathen round, Besides their other worse than heathenish crimes; Nor in the land of their captivity Humbled themselves, or penitent besought The God of their forefathers, but so died Impenitent, and left a race behind Like to themselves, distinguishable scarce From Gentiles, but by circumcision vain, And God with idols in their worship joined.
Among the stumps and trunks of the fallen saplings, those that had been hacked "China fashion" were no longer distinguishable from those that were cut "'Melican way.
Plenty of time," answered a soft voice with an underlying melancholy in it, plainly distinguishable though it had only spoken three words.
Presently, she heard a series of loud double knocks at the street- door, and after every knock some new voice in the next room; the tones of Mr Ralph Nickleby were easily distinguishable at first, but by degrees they merged into the general buzz of conversation, and all she could ascertain was, that there were several gentlemen with no very musical voices, who talked very loud, laughed very heartily, and swore more than she would have thought quite necessary.
A great deal of loud talking was distinguishable in this racket, which was rather too early in the morning.
And this in many degrees; the last and greatest of which seems scarce distinguishable from madness;--I mean where persons of immense fortunes contract themselves to those who are, and must be, disagreeable to them--to fools and knaves--in order to increase an estate already larger even than the demands of their pleasures.
Even if this should happen, however, they would still be distinguishable from sensations by their proximate causal laws, as gases remain distinguishable from solids.