tailieunhanh - Theory of Brain Function quantum mechanics and superstrings - part 4

Một, tất nhiên, mặc nhiên thừa nhận sự tồn tại của một nền cố định, không-thời gian mịn màng mà không "làm phiền" hệ thống, hành động đơn giản chỉ là đấu trường mà trong đó mọi thứ đang xảy ra, và do đó rời khỏi hệ thống "đóng cửa". | 27 the quantum system and it is only when one feels compelled to measure observe the system that the probabilistic element of QM emerges. One of course tacitly assumes the existence of a fixed smooth spacetime background that does not disturb the system acting simply as the arena in which things are happening and thus leaving the system closed . The characteristics of such closed systems include of course conservation of energy and no definite arrow of time or no flow of time which is reflected in the forms of 9 18 which are invariant under t t When we decide to open the system we basically perform a measurement . we force the system to decide what it wants to be by choosing a very specific state out of many coexisting possible ones . we are talking about the collapse of the wavefunction. That s in a nutshell the Copenhagen interpretation of QM leaving too much to be desired and too much on the eye of the observer We need to do better. In the density matrix mechanics as represented by 23 and as emerged in one interpretation from string theory one has a stochastic indeterministic evolution of the quantum system ab initio due to the unavoidable existence of spacetime foam. The uncontrollable universal quantum fluctuations of the spacetime metric at very short distances O Z pi containing creation and annihilation of virtual Planckian-size BH agitate through the global or W2-world states our low-energy quantum system rendering it dynamically and spontaneously open . This is an objective universal mechanism independent of any observer that is always up and working thus eroding the quantum coherence and eventually leading to a dynamical spontaneous collapse. It should be clear that the natural opening of our quantum system is due to our inability to take into account all the detailed effects of the global states because of their delocalized nature and thus we do truncate them arriving at the Procrustean Principle a new universal principle 6 that goes beyond the .

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