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In quantum mechanics, fractionalization is the phenomenon whereby the quasiparticles of a system cannot be constructed as combinations of its elementary constituents. One of the earliest and most prominent examples is the fractional quantum Hall effect, where the constituent particles are electrons but the quasiparticles carry fractions of the electron charge. Fractionalization can be understood as deconfinement of quasiparticles that together are viewed as comprising the elementary constituents. In the case of spin–charge separation, for example, the electron can be viewed as a bound state of a 'spinon' and a 'chargon', which under certain conditions can become free to move separately.

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  • In quantum mechanics, fractionalization is the phenomenon whereby the quasiparticles of a system cannot be constructed as combinations of its elementary constituents. One of the earliest and most prominent examples is the fractional quantum Hall effect, where the constituent particles are electrons but the quasiparticles carry fractions of the electron charge. Fractionalization can be understood as deconfinement of quasiparticles that together are viewed as comprising the elementary constituents. In the case of spin–charge separation, for example, the electron can be viewed as a bound state of a 'spinon' and a 'chargon', which under certain conditions can become free to move separately. (en)
  • En physique, la fractionalisation est le phénomène par lequel les quasiparticules d'un système ne peuvent être construites comme les combinaisons de ses constituants élémentaires. Un exemple important et parmi les premiers trouvés est celui de l'effet Hall quantique fractionnaire. Dans ce cas, les particules constitutives sont des électrons, mais les quasiparticules ont une charge électrique qui est une fraction de celle d'un électron. La fractionalisation peut être comprise comme un déconfinement des quasiparticules qui, ensemble, forment un constituant élémentaire. Dans le cas de la séparation spin-charge, par exemple, l'électron peut être considéré comme un état lié d'un "spinon" et d'un "chargeon", qui sous certaines conditions peuvent devenir libre de se déplacer séparément. (fr)
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  • In quantum mechanics, fractionalization is the phenomenon whereby the quasiparticles of a system cannot be constructed as combinations of its elementary constituents. One of the earliest and most prominent examples is the fractional quantum Hall effect, where the constituent particles are electrons but the quasiparticles carry fractions of the electron charge. Fractionalization can be understood as deconfinement of quasiparticles that together are viewed as comprising the elementary constituents. In the case of spin–charge separation, for example, the electron can be viewed as a bound state of a 'spinon' and a 'chargon', which under certain conditions can become free to move separately. (en)
  • En physique, la fractionalisation est le phénomène par lequel les quasiparticules d'un système ne peuvent être construites comme les combinaisons de ses constituants élémentaires. Un exemple important et parmi les premiers trouvés est celui de l'effet Hall quantique fractionnaire. Dans ce cas, les particules constitutives sont des électrons, mais les quasiparticules ont une charge électrique qui est une fraction de celle d'un électron. La fractionalisation peut être comprise comme un déconfinement des quasiparticules qui, ensemble, forment un constituant élémentaire. Dans le cas de la séparation spin-charge, par exemple, l'électron peut être considéré comme un état lié d'un "spinon" et d'un "chargeon", qui sous certaines conditions peuvent devenir libre de se déplacer séparément. (fr)
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  • Fractionalization (en)
  • Fractionalisation (fr)
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