Maybe you might find this article interesting? It discusses the Jewish sources for the belief in Techiyat Hamatim according to Rambam's 13 principles...
http://www.aish.com/sp/ph/48929597.html
Maimonides #13 - Resurrection of the Dead by Rabbi Mordechai Blumenfeld
Why is it necessary to bring the body and soul together for ultimate eternal reward?
The resurrection of the dead is a basic principle of the Torah of Moses. Anyone who does not believe it has no connection with the Jewish Nation. But [resurrection] is only for the righteous, as it states in Bereishis Rabbah: "Rain is for both the righteous and the wicked but resurrection is for the righteous alone." For how can the wicked be brought back to life when even during their lives they are considered dead? But the righteous, even when they die, are considered alive. – Maimonides, 13 Principles of Faith
Why Resurrection?
It would be easy to understand if this final Principle, the last of the four Principles dealing with reward and punishment, had been belief in the World to Come. After all, how can one believe in absolute justice without such a conviction? Where is there true reward and punishment in a world where so many innocent and righteous suffer while so many evil people seem to enjoy the good life? If this world is all there is, how can a system of reward and punishment be perceived to exist? If, however, this world is not an end in itself, then reward and punishment may be understood to be found in an afterlife. There, the consequences of one's actions in this world will be realized.
So again, why doesn't this Principle posit the existence of the World of Come? Why did Maimonides choose the idea of the resurrection of the dead instead?
Actually, resurrection and the World to Come are part of the same concept, for resurrection is the beginning of the World to Come. Before the resurrection, no one partakes of the World to Come. Our tradition tells us that the souls of the dead await resurrection in Gan Eden, the Garden of Eden. There is also a soul-cleansing place, Gehinnom, which, in a sense, is also a reward from God. Once one reaches Gehinnom, he is assured of being prepared for the World to Come.
Obviously, it is preferable to avoid this reward if at all possible. Nonetheless, souls that have gone through Gehinnom do join with those that went straight to Gan Eden, and there they all await the "great and awesome Day of Judgment" which prophets discuss (Malachi 3:23). This Day of Judgment is the day of the resurrection of the dead, when all will be judged as to their position in the World to Come. Until resurrection, no human being enters the World to Come.
Still, why does Maimonides describe this Principle in terms of resurrection rather than the World to Come?
The Immortal Body
Man is not a soul bound in a transient body. If that were the case, resurrection would have little significance other than representing the soul's return to its bodily prison.
Man is a soul and a body together. As such, he needs to relate to a future that somehow involved both his soul and his body. Resurrection is the rejoining of the body to the soul in such a way that it can achieve this future.
If the World to Come involved only the soul, would man be willing to give his body's entire life for a future nothingness? The soul has always been understood to be immortal; it never dies. We comprehend the immortality of the human being, however, through the resurrection of the body. Resurrection signifies that man in his totality, body and soul, is immortal.
The relationship of body and soul is like that of a blind man and a lame man (Sanhedrin 91b). The lame man sees delicious fruit in a nearby orchard but can't reach it. The blind man can reach it but doesn't see it. Thus, the lame man instructs the blind man to carry him across the field, with the lame man directing him to the fruit. The blind man happily agrees and anxiously they advance into the orchard and take the fruit.
Soon afterward, the outraged orchard owner appears and begins to question them. The blind man says, "I couldn't have taken the fruit – I can't see." The lame man says, "I couldn't have taken the fruit – I can't walk."
The owner thinks a moment and then forces the lame man to hop onto the shoulders of the blind man. Only then, when they are together, has the owner found his culprit, so he beats them both.
Just as there could be no punishment for the lame man alone, there can be no reward or punishment for the soul. Alone, it cannot sin. A soul only sins in its body. Reward and punishment can only apply to the entity that is the person, the body and soul together. Only thus can justice be meted out. The soul cannot enter the World to Come without the body. Is it possible that once the entity of body and soul achieves a place in the World to Come, the body is discarded? A soul is not an image of God. A body is not an image of God. The soul doesn't have free will. Only the two together have free will, only the two together are the image of God.
The union of body and soul is what makes us greater than the angels. As Moshe Rabbeinu pointed out to the angels, it is because of this unique body-soul union that the Jewish Nation received the Torah (Shabbat 88b-89a). This union manifests itself in the 13th Principle, according to which the body, in a sense, attains immortality along with the soul.
Resurrection of the Physical
The Rambam says there will be no eating, drinking or sleeping in the World to Come (Rambam, Mishneh Torah, Laws of Repentance 8:2). This statement was the focal point of a dispute between Maimonides and Nachmonides, and has been deeply misunderstood. In the World to Come, the body will not be resurrected and then die. Maimonides says that after resurrection, the body will cease to be a body as we know it (ibid.). This cessation implies that the body will instead become so holy that it will become spiritual, transcending the physical limitations imposed upon it in this earthly world. Nevertheless, it will retain its sense of self-existence, its sense of being.
Nachmonides disagrees with Maimonides' assertion that the resurrected body will eventually cease to exist in a physical sense. He believes that the body will always have its physical limitations, which are necessary for it to be aware of itself.
In this state of spirituality, in knowing the Creator, man will reach a level of ecstasy beyond our mortal grasp. As the prophet (Isaiah 64:3; see Brachot 34b) describes it, "no eye has ever seen [it]." The World to Come is inconceivable; the prophet himself cannot describe it. It is beyond the conception of a created human being to comprehend what it means to be connected to the Source of all existence.
The foolishness is evident when people say: "What could be more boring than Heaven!" Of course, they are imagining Heaven in terms of the sensual pleasures of this world. The reason that sensual pleasures in excess do not satisfy, and may even become disgusting, is that they aren't true pleasures in ultimate terms. For the most part, they serve as an escape from the pain and effort of striving for real pleasure.
The feeling of total "being," on the other hand, the sense of accomplishment, of reaching one's ultimate goals, is true pleasure which can be grasped even in this world. The joy of a child whose parents admire the picture he has drawn, the thrill of solving a difficult problem, or the glee on the face of a youngster who has brought home a perfect report card - all are true but still only partial experiences of the ultimate pleasure.
This ultimate experience of being connected with actual, absolute Existence requires the whole being, the body as well as the soul. Without resurrection, without man's knowing that he, as he now perceives himself, will experience this pleasure, the idea of the World to Come is irrelevant. People are not impressed with their soul existing in the World to Come. They can't relate to such an existence because they feel that their soul alone is just not their whole self.
The Principle of resurrection implies that the body is not merely an object but a subject. The body is part of the person himself. Hence the obligations to bury and honor a dead body. Conversely, Judaism forbids cremation and the use of corpses for theoretical research, since both treat the human body as an object.
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