Quantum information is a tricky thing to describe....
"A quantum state can also be described by a set of mathematical variables that fully describes a quantum system."
http://en.wikipedia.org/wiki/Quantum_sta…
A simple way to describe' information', is that it is a state has quantum 'properties', (degrees of freedom), or 'values', or a range of values. What that really means in a 'physical' sense is a bit hazy, and depends on which model of reality you use.
ie a particle can have a spin quantum number (but is it really spinning?)
http://en.wikipedia.org/wiki/Spin_%28phy…
http://en.wikipedia.org/wiki/Qubit
"In quantum mechanics, quantum information is physical information that is held in the "state" of a quantum system."
http://en.wikipedia.org/wiki/Quantum_inf…
"A quantum state can also be described by a set of mathematical variables that fully describes a quantum system."
http://en.wikipedia.org/wiki/Quantum_sta…
A simple way to describe' information', is that it is a state has quantum 'properties', (degrees of freedom), or 'values', or a range of values. What that really means in a 'physical' sense is a bit hazy, and depends on which model of reality you use.
ie a particle can have a spin quantum number (but is it really spinning?)
http://en.wikipedia.org/wiki/Spin_%28phy…
http://en.wikipedia.org/wiki/Qubit
"In quantum mechanics, quantum information is physical information that is held in the "state" of a quantum system."
http://en.wikipedia.org/wiki/Quantum_inf…
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Information is equal to a singularity, where all bits of information are lost. Laws of physics don't apply at this point.A violation of energy conservation. As Feynman stated " you thought you have understood Quantum Mechanics"
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It is equal to nothing.