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Microtubule (MT) networks, subneural paracrystalline cytosceletal structures, seem to play a fundamental role in the neurons. We cast here the complicated MT dynamics in the form of a $1+1$-dimensional non-critical string theory, thus…

量子物理 · 物理学 2009-09-25 N. E. Mavromatos , D. V. Nanopoulos

Microtubule (MT) networks, subneural paracrystalline cytosceletal structures, seem to play a fundamental role in the neurons. We cast here the complicated MT dynamics in the form of a $1+1$-dimensional non-critical string theory, thus…

高能物理 - 唯象学 · 物理学 2008-02-03 N. Mavromatos , D. Nanopoulos

In this talk we review recent work on integrable models for Microtubule (MT) networks, subneural paracrystalline cytosceletal structures, which seem to play a fundamental role in the neurons. We cast here the complicated MT dynamics in the…

量子物理 · 物理学 2007-05-23 N. E. Mavromatos , D. V. Nanopoulos

Critical String Theory is by definition an $S$-matrix theory. In this sense, (quantum) gravity situations where a unitary $S$-matrix may not be a well-defined concept, as a consequence of the existence of macroscopic (global) or microscopic…

高能物理 - 理论 · 物理学 2007-05-23 Elias Gravanis , Nick E. Mavromatos

Recent developments/efforts to understand aspects of the brain function at the {\em sub-neural} level are discussed. MicroTubules (MTs) participate in a wide variety of dynamical processes in the cell, especially in bioinformation processes…

高能物理 - 唯象学 · 物理学 2007-05-23 D. Nanopoulos

I review some aspects of non-critical strings in connection with Lorentz-Invariance violating approaches to quantum gravity. I also argue how non-critical strings may provide a unifying framework where string Cosmology and quantum gravity…

高能物理 - 理论 · 物理学 2007-05-23 Nick E. Mavromatos

Starting from the known expression for the three-point correlation functions for Liouville exponentials with generic real coefficients at we can prove the Liouville equation of motion at the level of three-point functions. Based on the…

高能物理 - 理论 · 物理学 2016-09-06 H. Dorn , H. -J. Otto

Recent results on the annulus partition function in Liouville field theory are applied to non-critical string theory, both below and above the critical dimension. Liouville gravity coupled to $c\le 1$ matter has a dual formulation as a…

高能物理 - 理论 · 物理学 2007-05-23 Emil J. Martinec

We studied the lowest order quantum corrections to the macroscopic wave functions $\Gamma (A,\ell)$ of non-critical string theory using the semi-classical expansion of Liouville theory. By carefully taking the perimeter constraint into…

高能物理 - 理论 · 物理学 2009-10-30 J. Ambjorn , K. Hayasaka , R. Nakayama

We discuss some physical aspects of our Liouville approach to non-critical strings, including the emergence of a microscopic arrow of time, effective field theories as classical ``pointer'' states in theory space, $CPT$ violation and the…

高能物理 - 理论 · 物理学 2009-09-25 J. Ellis , N. Mavromatos , D. Nanopoulos

We argue that the light particles in string theory obey an effective quantum mechanics modified by the inclusion of a quantum-gravitational friction term, induced by unavoidable couplings to unobserved massive string states in the…

高能物理 - 理论 · 物理学 2009-09-11 John Ellis , N. E. Mavromatos , D. V. Nanopoulos

It has recently been pointed out that generic models of quantum gravity must contend with severe phenomenological constraints imposed by gravitational Cerenkov radiation, neutrino oscillations and the cosmic microwave background radiation.…

天体物理学 · 物理学 2009-09-11 J. Ellis , N. E. Mavromatos , D. V. Nanopoulos

Jackiw Teitelboim (JT) gravity has proven to be an excellent tool for investigating aspects of quantum gravity and black hole physics. In recent years, the study of JT gravity and its deformations has helped us learn about the different…

高能物理 - 理论 · 物理学 2024-07-04 Eoin Dowd , Gaston Giribet

In order to create a novel model of memory and brain function, we focus our approach on the sub-molecular (electron), molecular (tubulin) and macromolecular (microtubule) components of the neural cytoskeleton. Due to their size and…

量子物理 · 物理学 2007-05-23 A. Mershin , D. V. Nanopoulos , E. M. C. Skoulakis

We present a contextualist statistical realistic model for quantum-like representations in physics, cognitive science and psychology. We apply this model to describe cognitive experiments to check quantum-like structures of mental…

量子物理 · 物理学 2010-12-07 Andrei Khrennikov

String theory is the most promising candidate for the theory unifying all interactions including gravity. It has an extremely difficult dynamics. Therefore, it is useful to study some its simplifications. One of them is non-critical string…

高能物理 - 理论 · 物理学 2007-05-23 Sergei Alexandrov

In this paper we briefly discuss the necessity of using quantum mechanics as a fundamental theory applicable to some key functional aspects of biological systems. This is especially relevant to three important parts of a neuron in the human…

生物物理 · 物理学 2015-05-20 V. Salari , J. Tuszynski , M. Rahnama , G. Bernroider

We apply to non-critical bosonic Liouville string models, characterized by a central-charge deficit Q, a new non-perturbative renormalization-group technique based on a functional method for controlling the quantum fluctuations. We…

高能物理 - 理论 · 物理学 2009-11-11 Jean Alexandre , John Ellis , Nikolaos E. Mavromatos

In the mid-1990s it was proposed that quantum effects in proteins known as microtubules play a role in the nature of consciousness. The theory was largely dismissed due to the fact that quantum effects were thought unlikely to occur in…

神经元与认知 · 定量生物学 2019-10-21 Betony Adams , Francesco Petruccione

String vacua for non critical strings satisfying the requirements of Zig-Zag invariance are constructed. The Liouville mode is shown to play the r\^ole of scale in the Renormalization Group operation. Differences and similarities with the…

高能物理 - 理论 · 物理学 2009-10-31 E. Alvarez , C. Gomez
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