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- W3127885986 abstract "Abstract As a nonrelativistic particle constrained to remain on an ( N − 1)-dimensional (( N ≥ 2)) hypersurface embedded in an N -dimensional Euclidean space, two different components p i and p j ( i, j = 1, 2, 3,… N ) of the Cartesian momentum of the particle are not mutually commutative, and explicitly commutation relations <?CDATA $[{hat{p}}_{i},{hat{p}}_{j}]left(ne 0right)$?> <mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML overflow=scroll> <mml:mo stretchy=false>[</mml:mo> <mml:msub> <mml:mrow> <mml:mover accent=true> <mml:mrow> <mml:mi>p</mml:mi> </mml:mrow> <mml:mrow> <mml:mo>ˆ</mml:mo> </mml:mrow> </mml:mover> </mml:mrow> <mml:mrow> <mml:mi>i</mml:mi> </mml:mrow> </mml:msub> <mml:mo>,</mml:mo> <mml:msub> <mml:mrow> <mml:mover accent=true> <mml:mrow> <mml:mi>p</mml:mi> </mml:mrow> <mml:mrow> <mml:mo>ˆ</mml:mo> </mml:mrow> </mml:mover> </mml:mrow> <mml:mrow> <mml:mi>j</mml:mi> </mml:mrow> </mml:msub> <mml:mo stretchy=false>]</mml:mo> <mml:mfenced close=) open=(> <mml:mrow> <mml:mo>≠</mml:mo> <mml:mn>0</mml:mn> </mml:mrow> </mml:mfenced> </mml:math> depend on products of positions and momenta in uncontrollable ways. The generalized Dupin indicatrix of the hypersurface, a local analysis technique, is utilized to explore the dependence of the noncommutativity on the curvatures around a local point of the hypersurface. The first finding is that the noncommutativity can be grouped into two categories; one is the product of a sectional curvature and the angular momentum, and another is the product of a principal curvature and the momentum. The second finding is that, for a small circle lying a tangential plane covering the local point , the noncommutativity leads to a rotation operator and the amount of the rotation is an angle anholonomy; and along each of the normal sectional curves centering the given point the noncommutativity leads to a translation plus an additional rotation and the amount of the rotation is one half of the tangential angle change of the arc." @default.
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- W3127885986 date "2021-01-28" @default.
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- W3127885986 title "Curvature-induced noncommutativity of two different components of momentum for a particle on a hypersurface" @default.
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