Last Updated
：2025/12/07
Bekenstein bound
Noun
(physics)
An
upper
limit
on
the
thermodynamic
entropy,
or
Shannon
entropy,
that
can
be
contained
within
a
given
finite
region
of
space
which
has
a
finite
amount
of
energy—or
conversely,
the
maximal
amount
of
information
required
to
perfectly
describe
a
given
physical
system
down
to
the
quantum
level.
Japanese Meaning
Bekenstein限界とは、物理学において、有限なエネルギーを持つ有限領域内に存在し得る熱力学的なエントロピー（または、シャノンエントロピー）の上限、もしくは逆に、量子レベルまで物理系を完全に記述するために必要となる最大限の情報量を示す概念です。
Sense（1）
(physics)
An
upper
limit
on
the
thermodynamic
entropy,
or
Shannon
entropy,
that
can
be
contained
within
a
given
finite
region
of
space
which
has
a
finite
amount
of
energy—or
conversely,
the
maximal
amount
of
information
required
to
perfectly
describe
a
given
physical
system
down
to
the
quantum
level.
（ plural ）
Quizzes for review
(physics) An upper limit on the thermodynamic entropy, or Shannon entropy, that can be contained within a given finite region of space which has a finite amount of energy—or conversely, the maximal amount of information required to perfectly describe a given physical system down to the quantum level.
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See correct answer
Bekenstein bound
When calculating the maximum information that can be stored near a black hole, physicists often refer to the Bekenstein bound.
See correct answer
When calculating the maximum information that can be stored near a black hole, physicists often refer to the Bekenstein bound.
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